Home / 1,174,472.60-1,761,708.90-426,421.40

Finding the Fourth Proportional to 1,174,472.60, 1,761,708.90 and 426,421.40

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Solution

The fourth proportional to 1,174,472.60, 1,761,708.90 and 426,421.40 is: 639,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,472.60 : 1,761,708.90 = 426,421.40 : x
  2. Step 2: Convert to fraction form
    1,174,472.60/1,761,708.90 = 426,421.40/x
  3. Step 3: Cross multiply
    1,174,472.60x = 1,761,708.90 × 426,421.40
  4. Step 4: Simplify right side
    1,174,472.60x = 751,230,375,530.46
  5. Step 5: Solve for x
    x = 751,230,375,530.46/1,174,472.60
  6. Step 6: Final answer
    x = 639,632.10

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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.