Home / 977,187.70-1,465,781.55-809,226.10

Finding the Fourth Proportional to 977,187.70, 1,465,781.55 and 809,226.10

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Solution

The fourth proportional to 977,187.70, 1,465,781.55 and 809,226.10 is: 1,213,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,187.70 : 1,465,781.55 = 809,226.10 : x
  2. Step 2: Convert to fraction form
    977,187.70/1,465,781.55 = 809,226.10/x
  3. Step 3: Cross multiply
    977,187.70x = 1,465,781.55 × 809,226.10
  4. Step 4: Simplify right side
    977,187.70x = 1,186,148,687,158.46
  5. Step 5: Solve for x
    x = 1,186,148,687,158.46/977,187.70
  6. Step 6: Final answer
    x = 1,213,839.15

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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.