Home / 1,147,292.65-1,721,051.43-418,014.15

Finding the Fourth Proportional to 1,147,292.65, 1,721,051.43 and 418,014.15

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Solution

The fourth proportional to 1,147,292.65, 1,721,051.43 and 418,014.15 is: 627,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,292.65 : 1,721,051.43 = 418,014.15 : x
  2. Step 2: Convert to fraction form
    1,147,292.65/1,721,051.43 = 418,014.15/x
  3. Step 3: Cross multiply
    1,147,292.65x = 1,721,051.43 × 418,014.15
  4. Step 4: Simplify right side
    1,147,292.65x = 719,423,850,617.74
  5. Step 5: Solve for x
    x = 719,423,850,617.74/1,147,292.65
  6. Step 6: Final answer
    x = 627,062.20

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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.