Home / 749,159.70-1,123,739.55-736,718.10

Finding the Fourth Proportional to 749,159.70, 1,123,739.55 and 736,718.10

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Solution

The fourth proportional to 749,159.70, 1,123,739.55 and 736,718.10 is: 1,105,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,159.70 : 1,123,739.55 = 736,718.10 : x
  2. Step 2: Convert to fraction form
    749,159.70/1,123,739.55 = 736,718.10/x
  3. Step 3: Cross multiply
    749,159.70x = 1,123,739.55 × 736,718.10
  4. Step 4: Simplify right side
    749,159.70x = 827,879,266,170.86
  5. Step 5: Solve for x
    x = 827,879,266,170.86/749,159.70
  6. Step 6: Final answer
    x = 1,105,077.15

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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.