Home / 935,025.80-1,402,538.70-724,814.60

Finding the Fourth Proportional to 935,025.80, 1,402,538.70 and 724,814.60

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Solution

The fourth proportional to 935,025.80, 1,402,538.70 and 724,814.60 is: 1,087,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,025.80 : 1,402,538.70 = 724,814.60 : x
  2. Step 2: Convert to fraction form
    935,025.80/1,402,538.70 = 724,814.60/x
  3. Step 3: Cross multiply
    935,025.80x = 1,402,538.70 × 724,814.60
  4. Step 4: Simplify right side
    935,025.80x = 1,016,580,526,825.02
  5. Step 5: Solve for x
    x = 1,016,580,526,825.02/935,025.80
  6. Step 6: Final answer
    x = 1,087,221.90

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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.