Home / 1,150,057.71-1,722,875.60-643,081.04

Finding the Fourth Proportional to 1,150,057.71, 1,722,875.60 and 643,081.04

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Solution

The fourth proportional to 1,150,057.71, 1,722,875.60 and 643,081.04 is: 963,385.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,057.71 : 1,722,875.60 = 643,081.04 : x
  2. Step 2: Convert to fraction form
    1,150,057.71/1,722,875.60 = 643,081.04/x
  3. Step 3: Cross multiply
    1,150,057.71x = 1,722,875.60 × 643,081.04
  4. Step 4: Simplify right side
    1,150,057.71x = 1,107,948,620,808.84
  5. Step 5: Solve for x
    x = 1,107,948,620,808.84/1,150,057.71
  6. Step 6: Final answer
    x = 963,385.24

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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.