Home / 783,630.60-1,175,445.90-744,923.40

Finding the Fourth Proportional to 783,630.60, 1,175,445.90 and 744,923.40

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Solution

The fourth proportional to 783,630.60, 1,175,445.90 and 744,923.40 is: 1,117,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,630.60 : 1,175,445.90 = 744,923.40 : x
  2. Step 2: Convert to fraction form
    783,630.60/1,175,445.90 = 744,923.40/x
  3. Step 3: Cross multiply
    783,630.60x = 1,175,445.90 × 744,923.40
  4. Step 4: Simplify right side
    783,630.60x = 875,617,156,344.06
  5. Step 5: Solve for x
    x = 875,617,156,344.06/783,630.60
  6. Step 6: Final answer
    x = 1,117,385.10

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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.