Home / 749,269.10-1,123,903.65-681,034.70

Finding the Fourth Proportional to 749,269.10, 1,123,903.65 and 681,034.70

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Solution

The fourth proportional to 749,269.10, 1,123,903.65 and 681,034.70 is: 1,021,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,269.10 : 1,123,903.65 = 681,034.70 : x
  2. Step 2: Convert to fraction form
    749,269.10/1,123,903.65 = 681,034.70/x
  3. Step 3: Cross multiply
    749,269.10x = 1,123,903.65 × 681,034.70
  4. Step 4: Simplify right side
    749,269.10x = 765,417,385,106.66
  5. Step 5: Solve for x
    x = 765,417,385,106.66/749,269.10
  6. Step 6: Final answer
    x = 1,021,552.05

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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.