Home / 915,560.40-1,373,340.60-849,205.20

Finding the Fourth Proportional to 915,560.40, 1,373,340.60 and 849,205.20

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Solution

The fourth proportional to 915,560.40, 1,373,340.60 and 849,205.20 is: 1,273,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,560.40 : 1,373,340.60 = 849,205.20 : x
  2. Step 2: Convert to fraction form
    915,560.40/1,373,340.60 = 849,205.20/x
  3. Step 3: Cross multiply
    915,560.40x = 1,373,340.60 × 849,205.20
  4. Step 4: Simplify right side
    915,560.40x = 1,166,247,978,891.12
  5. Step 5: Solve for x
    x = 1,166,247,978,891.12/915,560.40
  6. Step 6: Final answer
    x = 1,273,807.80

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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.