Home / 1,287,046.60-1,776,151.45-706,264.65

Finding the Fourth Proportional to 1,287,046.60, 1,776,151.45 and 706,264.65

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Solution

The fourth proportional to 1,287,046.60, 1,776,151.45 and 706,264.65 is: 974,660.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,046.60 : 1,776,151.45 = 706,264.65 : x
  2. Step 2: Convert to fraction form
    1,287,046.60/1,776,151.45 = 706,264.65/x
  3. Step 3: Cross multiply
    1,287,046.60x = 1,776,151.45 × 706,264.65
  4. Step 4: Simplify right side
    1,287,046.60x = 1,254,432,986,584.47
  5. Step 5: Solve for x
    x = 1,254,432,986,584.47/1,287,046.60
  6. Step 6: Final answer
    x = 974,660.11

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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.