Home / 1,182,691.80-1,773,065.70-509,290.20

Finding the Fourth Proportional to 1,182,691.80, 1,773,065.70 and 509,290.20

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Solution

The fourth proportional to 1,182,691.80, 1,773,065.70 and 509,290.20 is: 763,516.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,691.80 : 1,773,065.70 = 509,290.20 : x
  2. Step 2: Convert to fraction form
    1,182,691.80/1,773,065.70 = 509,290.20/x
  3. Step 3: Cross multiply
    1,182,691.80x = 1,773,065.70 × 509,290.20
  4. Step 4: Simplify right side
    1,182,691.80x = 903,004,984,966.14
  5. Step 5: Solve for x
    x = 903,004,984,966.14/1,182,691.80
  6. Step 6: Final answer
    x = 763,516.74

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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.