Home / 916,325.60-1,372,155.60-874,335.20

Finding the Fourth Proportional to 916,325.60, 1,372,155.60 and 874,335.20

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Solution

The fourth proportional to 916,325.60, 1,372,155.60 and 874,335.20 is: 1,309,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,325.60 : 1,372,155.60 = 874,335.20 : x
  2. Step 2: Convert to fraction form
    916,325.60/1,372,155.60 = 874,335.20/x
  3. Step 3: Cross multiply
    916,325.60x = 1,372,155.60 × 874,335.20
  4. Step 4: Simplify right side
    916,325.60x = 1,199,723,940,957.12
  5. Step 5: Solve for x
    x = 1,199,723,940,957.12/916,325.60
  6. Step 6: Final answer
    x = 1,309,276.90

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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.