Home / 970,136.64-1,455,952.20-781,059.60

Finding the Fourth Proportional to 970,136.64, 1,455,952.20 and 781,059.60

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Solution

The fourth proportional to 970,136.64, 1,455,952.20 and 781,059.60 is: 1,172,191.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,136.64 : 1,455,952.20 = 781,059.60 : x
  2. Step 2: Convert to fraction form
    970,136.64/1,455,952.20 = 781,059.60/x
  3. Step 3: Cross multiply
    970,136.64x = 1,455,952.20 × 781,059.60
  4. Step 4: Simplify right side
    970,136.64x = 1,137,185,442,951.12
  5. Step 5: Solve for x
    x = 1,137,185,442,951.12/970,136.64
  6. Step 6: Final answer
    x = 1,172,191.00

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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.