Home / 992,470.60-1,484,769.30-860,813.20

Finding the Fourth Proportional to 992,470.60, 1,484,769.30 and 860,813.20

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Solution

The fourth proportional to 992,470.60, 1,484,769.30 and 860,813.20 is: 1,287,805.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,470.60 : 1,484,769.30 = 860,813.20 : x
  2. Step 2: Convert to fraction form
    992,470.60/1,484,769.30 = 860,813.20/x
  3. Step 3: Cross multiply
    992,470.60x = 1,484,769.30 × 860,813.20
  4. Step 4: Simplify right side
    992,470.60x = 1,278,109,012,394.76
  5. Step 5: Solve for x
    x = 1,278,109,012,394.76/992,470.60
  6. Step 6: Final answer
    x = 1,287,805.41

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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.