Home / 1,612,708.25-2,225,492.62-915,116.13

Finding the Fourth Proportional to 1,612,708.25, 2,225,492.62 and 915,116.13

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Solution

The fourth proportional to 1,612,708.25, 2,225,492.62 and 915,116.13 is: 1,262,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,708.25 : 2,225,492.62 = 915,116.13 : x
  2. Step 2: Convert to fraction form
    1,612,708.25/2,225,492.62 = 915,116.13/x
  3. Step 3: Cross multiply
    1,612,708.25x = 2,225,492.62 × 915,116.13
  4. Step 4: Simplify right side
    1,612,708.25x = 2,036,584,191,470.17
  5. Step 5: Solve for x
    x = 2,036,584,191,470.17/1,612,708.25
  6. Step 6: Final answer
    x = 1,262,834.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.