Home / 1,341,806.90-2,012,127.15-442,901.30

Finding the Fourth Proportional to 1,341,806.90, 2,012,127.15 and 442,901.30

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Solution

The fourth proportional to 1,341,806.90, 2,012,127.15 and 442,901.30 is: 664,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,806.90 : 2,012,127.15 = 442,901.30 : x
  2. Step 2: Convert to fraction form
    1,341,806.90/2,012,127.15 = 442,901.30/x
  3. Step 3: Cross multiply
    1,341,806.90x = 2,012,127.15 × 442,901.30
  4. Step 4: Simplify right side
    1,341,806.90x = 891,173,730,500.30
  5. Step 5: Solve for x
    x = 891,173,730,500.30/1,341,806.90
  6. Step 6: Final answer
    x = 664,159.45

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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.