Home / 1,145,586.20-1,717,731.30-435,637.40

Finding the Fourth Proportional to 1,145,586.20, 1,717,731.30 and 435,637.40

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Solution

The fourth proportional to 1,145,586.20, 1,717,731.30 and 435,637.40 is: 653,209.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,586.20 : 1,717,731.30 = 435,637.40 : x
  2. Step 2: Convert to fraction form
    1,145,586.20/1,717,731.30 = 435,637.40/x
  3. Step 3: Cross multiply
    1,145,586.20x = 1,717,731.30 × 435,637.40
  4. Step 4: Simplify right side
    1,145,586.20x = 748,307,997,430.62
  5. Step 5: Solve for x
    x = 748,307,997,430.62/1,145,586.20
  6. Step 6: Final answer
    x = 653,209.68

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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.