Home / 783,446.40-1,175,169.60-707,260.80

Finding the Fourth Proportional to 783,446.40, 1,175,169.60 and 707,260.80

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Solution

The fourth proportional to 783,446.40, 1,175,169.60 and 707,260.80 is: 1,060,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,446.40 : 1,175,169.60 = 707,260.80 : x
  2. Step 2: Convert to fraction form
    783,446.40/1,175,169.60 = 707,260.80/x
  3. Step 3: Cross multiply
    783,446.40x = 1,175,169.60 × 707,260.80
  4. Step 4: Simplify right side
    783,446.40x = 831,151,391,431.68
  5. Step 5: Solve for x
    x = 831,151,391,431.68/783,446.40
  6. Step 6: Final answer
    x = 1,060,891.20

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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.