Home / 1,152,809.97-1,590,902.63-636,562.55

Finding the Fourth Proportional to 1,152,809.97, 1,590,902.63 and 636,562.55

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Solution

The fourth proportional to 1,152,809.97, 1,590,902.63 and 636,562.55 is: 878,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,809.97 : 1,590,902.63 = 636,562.55 : x
  2. Step 2: Convert to fraction form
    1,152,809.97/1,590,902.63 = 636,562.55/x
  3. Step 3: Cross multiply
    1,152,809.97x = 1,590,902.63 × 636,562.55
  4. Step 4: Simplify right side
    1,152,809.97x = 1,012,709,023,817.18
  5. Step 5: Solve for x
    x = 1,012,709,023,817.18/1,152,809.97
  6. Step 6: Final answer
    x = 878,470.04

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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.