Home / 1,068,373.40-1,602,560.10-320,419.40

Finding the Fourth Proportional to 1,068,373.40, 1,602,560.10 and 320,419.40

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Solution

The fourth proportional to 1,068,373.40, 1,602,560.10 and 320,419.40 is: 480,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,373.40 : 1,602,560.10 = 320,419.40 : x
  2. Step 2: Convert to fraction form
    1,068,373.40/1,602,560.10 = 320,419.40/x
  3. Step 3: Cross multiply
    1,068,373.40x = 1,602,560.10 × 320,419.40
  4. Step 4: Simplify right side
    1,068,373.40x = 513,491,345,705.94
  5. Step 5: Solve for x
    x = 513,491,345,705.94/1,068,373.40
  6. Step 6: Final answer
    x = 480,629.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.