Home / 749,747.70-1,124,621.55-677,430.90

Finding the Fourth Proportional to 749,747.70, 1,124,621.55 and 677,430.90

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Solution

The fourth proportional to 749,747.70, 1,124,621.55 and 677,430.90 is: 1,016,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,747.70 : 1,124,621.55 = 677,430.90 : x
  2. Step 2: Convert to fraction form
    749,747.70/1,124,621.55 = 677,430.90/x
  3. Step 3: Cross multiply
    749,747.70x = 1,124,621.55 × 677,430.90
  4. Step 4: Simplify right side
    749,747.70x = 761,853,388,775.90
  5. Step 5: Solve for x
    x = 761,853,388,775.90/749,747.70
  6. Step 6: Final answer
    x = 1,016,146.35

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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.