Home / 1,145,594.20-1,717,743.30-435,645.40

Finding the Fourth Proportional to 1,145,594.20, 1,717,743.30 and 435,645.40

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Solution

The fourth proportional to 1,145,594.20, 1,717,743.30 and 435,645.40 is: 653,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,594.20 : 1,717,743.30 = 435,645.40 : x
  2. Step 2: Convert to fraction form
    1,145,594.20/1,717,743.30 = 435,645.40/x
  3. Step 3: Cross multiply
    1,145,594.20x = 1,717,743.30 × 435,645.40
  4. Step 4: Simplify right side
    1,145,594.20x = 748,326,967,025.82
  5. Step 5: Solve for x
    x = 748,326,967,025.82/1,145,594.20
  6. Step 6: Final answer
    x = 653,221.68

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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.