Home / 1,515,341.40-2,273,012.10-393,410.40

Finding the Fourth Proportional to 1,515,341.40, 2,273,012.10 and 393,410.40

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Solution

The fourth proportional to 1,515,341.40, 2,273,012.10 and 393,410.40 is: 590,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,341.40 : 2,273,012.10 = 393,410.40 : x
  2. Step 2: Convert to fraction form
    1,515,341.40/2,273,012.10 = 393,410.40/x
  3. Step 3: Cross multiply
    1,515,341.40x = 2,273,012.10 × 393,410.40
  4. Step 4: Simplify right side
    1,515,341.40x = 894,226,599,465.84
  5. Step 5: Solve for x
    x = 894,226,599,465.84/1,515,341.40
  6. Step 6: Final answer
    x = 590,115.60

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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.