Home / 749,164.20-1,123,746.30-744,498.60

Finding the Fourth Proportional to 749,164.20, 1,123,746.30 and 744,498.60

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Solution

The fourth proportional to 749,164.20, 1,123,746.30 and 744,498.60 is: 1,116,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,164.20 : 1,123,746.30 = 744,498.60 : x
  2. Step 2: Convert to fraction form
    749,164.20/1,123,746.30 = 744,498.60/x
  3. Step 3: Cross multiply
    749,164.20x = 1,123,746.30 × 744,498.60
  4. Step 4: Simplify right side
    749,164.20x = 836,627,547,105.18
  5. Step 5: Solve for x
    x = 836,627,547,105.18/749,164.20
  6. Step 6: Final answer
    x = 1,116,747.90

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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.