Home / 1,036,781.40-1,555,172.10-977,732.40

Finding the Fourth Proportional to 1,036,781.40, 1,555,172.10 and 977,732.40

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Solution

The fourth proportional to 1,036,781.40, 1,555,172.10 and 977,732.40 is: 1,466,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,781.40 : 1,555,172.10 = 977,732.40 : x
  2. Step 2: Convert to fraction form
    1,036,781.40/1,555,172.10 = 977,732.40/x
  3. Step 3: Cross multiply
    1,036,781.40x = 1,555,172.10 × 977,732.40
  4. Step 4: Simplify right side
    1,036,781.40x = 1,520,542,149,746.04
  5. Step 5: Solve for x
    x = 1,520,542,149,746.04/1,036,781.40
  6. Step 6: Final answer
    x = 1,466,598.60

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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.