Home / 1,010,849.73-1,509,720.85-915,890.19

Finding the Fourth Proportional to 1,010,849.73, 1,509,720.85 and 915,890.19

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Solution

The fourth proportional to 1,010,849.73, 1,509,720.85 and 915,890.19 is: 1,367,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,849.73 : 1,509,720.85 = 915,890.19 : x
  2. Step 2: Convert to fraction form
    1,010,849.73/1,509,720.85 = 915,890.19/x
  3. Step 3: Cross multiply
    1,010,849.73x = 1,509,720.85 × 915,890.19
  4. Step 4: Simplify right side
    1,010,849.73x = 1,382,738,513,863.74
  5. Step 5: Solve for x
    x = 1,382,738,513,863.74/1,010,849.73
  6. Step 6: Final answer
    x = 1,367,897.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.