Home / 1,513,890.82-2,268,265.65-913,590.55

Finding the Fourth Proportional to 1,513,890.82, 2,268,265.65 and 913,590.55

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Solution

The fourth proportional to 1,513,890.82, 2,268,265.65 and 913,590.55 is: 1,368,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,890.82 : 2,268,265.65 = 913,590.55 : x
  2. Step 2: Convert to fraction form
    1,513,890.82/2,268,265.65 = 913,590.55/x
  3. Step 3: Cross multiply
    1,513,890.82x = 2,268,265.65 × 913,590.55
  4. Step 4: Simplify right side
    1,513,890.82x = 2,072,266,062,729.61
  5. Step 5: Solve for x
    x = 2,072,266,062,729.61/1,513,890.82
  6. Step 6: Final answer
    x = 1,368,834.55

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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.