Home / 801,007.20-1,201,510.80-773,013.60

Finding the Fourth Proportional to 801,007.20, 1,201,510.80 and 773,013.60

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Solution

The fourth proportional to 801,007.20, 1,201,510.80 and 773,013.60 is: 1,159,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,007.20 : 1,201,510.80 = 773,013.60 : x
  2. Step 2: Convert to fraction form
    801,007.20/1,201,510.80 = 773,013.60/x
  3. Step 3: Cross multiply
    801,007.20x = 1,201,510.80 × 773,013.60
  4. Step 4: Simplify right side
    801,007.20x = 928,784,188,946.88
  5. Step 5: Solve for x
    x = 928,784,188,946.88/801,007.20
  6. Step 6: Final answer
    x = 1,159,520.40

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1.5x scale

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.