Home / 749,870.60-1,127,430.30-734,124.20

Finding the Fourth Proportional to 749,870.60, 1,127,430.30 and 734,124.20

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Solution

The fourth proportional to 749,870.60, 1,127,430.30 and 734,124.20 is: 1,103,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,870.60 : 1,127,430.30 = 734,124.20 : x
  2. Step 2: Convert to fraction form
    749,870.60/1,127,430.30 = 734,124.20/x
  3. Step 3: Cross multiply
    749,870.60x = 1,127,430.30 × 734,124.20
  4. Step 4: Simplify right side
    749,870.60x = 827,673,867,043.26
  5. Step 5: Solve for x
    x = 827,673,867,043.26/749,870.60
  6. Step 6: Final answer
    x = 1,103,755.59

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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.