Home / 1,145,573.70-1,717,712.55-435,624.90

Finding the Fourth Proportional to 1,145,573.70, 1,717,712.55 and 435,624.90

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Solution

The fourth proportional to 1,145,573.70, 1,717,712.55 and 435,624.90 is: 653,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,573.70 : 1,717,712.55 = 435,624.90 : x
  2. Step 2: Convert to fraction form
    1,145,573.70/1,717,712.55 = 435,624.90/x
  3. Step 3: Cross multiply
    1,145,573.70x = 1,717,712.55 × 435,624.90
  4. Step 4: Simplify right side
    1,145,573.70x = 748,278,357,822.50
  5. Step 5: Solve for x
    x = 748,278,357,822.50/1,145,573.70
  6. Step 6: Final answer
    x = 653,190.94

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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.