Home / 918,274.90-1,373,383.49-817,781.64

Finding the Fourth Proportional to 918,274.90, 1,373,383.49 and 817,781.64

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Solution

The fourth proportional to 918,274.90, 1,373,383.49 and 817,781.64 is: 1,223,084.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,274.90 : 1,373,383.49 = 817,781.64 : x
  2. Step 2: Convert to fraction form
    918,274.90/1,373,383.49 = 817,781.64/x
  3. Step 3: Cross multiply
    918,274.90x = 1,373,383.49 × 817,781.64
  4. Step 4: Simplify right side
    918,274.90x = 1,123,127,808,600.01
  5. Step 5: Solve for x
    x = 1,123,127,808,600.01/918,274.90
  6. Step 6: Final answer
    x = 1,223,084.51

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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.