Home / 749,276.10-1,123,914.15-681,041.70

Finding the Fourth Proportional to 749,276.10, 1,123,914.15 and 681,041.70

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Solution

The fourth proportional to 749,276.10, 1,123,914.15 and 681,041.70 is: 1,021,562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,276.10 : 1,123,914.15 = 681,041.70 : x
  2. Step 2: Convert to fraction form
    749,276.10/1,123,914.15 = 681,041.70/x
  3. Step 3: Cross multiply
    749,276.10x = 1,123,914.15 × 681,041.70
  4. Step 4: Simplify right side
    749,276.10x = 765,432,403,370.06
  5. Step 5: Solve for x
    x = 765,432,403,370.06/749,276.10
  6. Step 6: Final answer
    x = 1,021,562.55

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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.