Home / 1,145,190.52-1,717,987.02-435,280.60

Finding the Fourth Proportional to 1,145,190.52, 1,717,987.02 and 435,280.60

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Solution

The fourth proportional to 1,145,190.52, 1,717,987.02 and 435,280.60 is: 652,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,190.52 : 1,717,987.02 = 435,280.60 : x
  2. Step 2: Convert to fraction form
    1,145,190.52/1,717,987.02 = 435,280.60/x
  3. Step 3: Cross multiply
    1,145,190.52x = 1,717,987.02 × 435,280.60
  4. Step 4: Simplify right side
    1,145,190.52x = 747,806,420,857.81
  5. Step 5: Solve for x
    x = 747,806,420,857.81/1,145,190.52
  6. Step 6: Final answer
    x = 652,997.39

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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.