Home / 878,951.20-1,314,927.60-761,922.40

Finding the Fourth Proportional to 878,951.20, 1,314,927.60 and 761,922.40

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Solution

The fourth proportional to 878,951.20, 1,314,927.60 and 761,922.40 is: 1,139,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,951.20 : 1,314,927.60 = 761,922.40 : x
  2. Step 2: Convert to fraction form
    878,951.20/1,314,927.60 = 761,922.40/x
  3. Step 3: Cross multiply
    878,951.20x = 1,314,927.60 × 761,922.40
  4. Step 4: Simplify right side
    878,951.20x = 1,001,872,792,818.24
  5. Step 5: Solve for x
    x = 1,001,872,792,818.24/878,951.20
  6. Step 6: Final answer
    x = 1,139,850.30

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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.