Home / 1,043,363.80-1,565,564.10-412,298.20

Finding the Fourth Proportional to 1,043,363.80, 1,565,564.10 and 412,298.20

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Solution

The fourth proportional to 1,043,363.80, 1,565,564.10 and 412,298.20 is: 618,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,363.80 : 1,565,564.10 = 412,298.20 : x
  2. Step 2: Convert to fraction form
    1,043,363.80/1,565,564.10 = 412,298.20/x
  3. Step 3: Cross multiply
    1,043,363.80x = 1,565,564.10 × 412,298.20
  4. Step 4: Simplify right side
    1,043,363.80x = 645,479,260,414.62
  5. Step 5: Solve for x
    x = 645,479,260,414.62/1,043,363.80
  6. Step 6: Final answer
    x = 618,652.15

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Double scale
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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.