Home / 1,779,470.76-2,668,654.10-642,084.96

Finding the Fourth Proportional to 1,779,470.76, 2,668,654.10 and 642,084.96

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Solution

The fourth proportional to 1,779,470.76, 2,668,654.10 and 642,084.96 is: 962,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,470.76 : 2,668,654.10 = 642,084.96 : x
  2. Step 2: Convert to fraction form
    1,779,470.76/2,668,654.10 = 642,084.96/x
  3. Step 3: Cross multiply
    1,779,470.76x = 2,668,654.10 × 642,084.96
  4. Step 4: Simplify right side
    1,779,470.76x = 1,713,502,661,052.34
  5. Step 5: Solve for x
    x = 1,713,502,661,052.34/1,779,470.76
  6. Step 6: Final answer
    x = 962,928.25

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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.