Home / 781,295.40-1,168,832.70-677,269.80

Finding the Fourth Proportional to 781,295.40, 1,168,832.70 and 677,269.80

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Solution

The fourth proportional to 781,295.40, 1,168,832.70 and 677,269.80 is: 1,013,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,295.40 : 1,168,832.70 = 677,269.80 : x
  2. Step 2: Convert to fraction form
    781,295.40/1,168,832.70 = 677,269.80/x
  3. Step 3: Cross multiply
    781,295.40x = 1,168,832.70 × 677,269.80
  4. Step 4: Simplify right side
    781,295.40x = 791,615,088,962.46
  5. Step 5: Solve for x
    x = 791,615,088,962.46/781,295.40
  6. Step 6: Final answer
    x = 1,013,208.43

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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.