Home / 1,068,434.25-1,602,651.38-320,480.25

Finding the Fourth Proportional to 1,068,434.25, 1,602,651.38 and 320,480.25

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Solution

The fourth proportional to 1,068,434.25, 1,602,651.38 and 320,480.25 is: 480,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,434.25 : 1,602,651.38 = 320,480.25 : x
  2. Step 2: Convert to fraction form
    1,068,434.25/1,602,651.38 = 320,480.25/x
  3. Step 3: Cross multiply
    1,068,434.25x = 1,602,651.38 × 320,480.25
  4. Step 4: Simplify right side
    1,068,434.25x = 513,618,113,322.84
  5. Step 5: Solve for x
    x = 513,618,113,322.84/1,068,434.25
  6. Step 6: Final answer
    x = 480,720.38

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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.