Home / 867,251.48-1,300,869.90-677,871.14

Finding the Fourth Proportional to 867,251.48, 1,300,869.90 and 677,871.14

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Solution

The fourth proportional to 867,251.48, 1,300,869.90 and 677,871.14 is: 1,016,800.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,251.48 : 1,300,869.90 = 677,871.14 : x
  2. Step 2: Convert to fraction form
    867,251.48/1,300,869.90 = 677,871.14/x
  3. Step 3: Cross multiply
    867,251.48x = 1,300,869.90 × 677,871.14
  4. Step 4: Simplify right side
    867,251.48x = 881,822,155,600.34
  5. Step 5: Solve for x
    x = 881,822,155,600.34/867,251.48
  6. Step 6: Final answer
    x = 1,016,800.99

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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.