Home / 918,292.66-1,373,410.11-817,799.40

Finding the Fourth Proportional to 918,292.66, 1,373,410.11 and 817,799.40

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Solution

The fourth proportional to 918,292.66, 1,373,410.11 and 817,799.40 is: 1,223,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,292.66 : 1,373,410.11 = 817,799.40 : x
  2. Step 2: Convert to fraction form
    918,292.66/1,373,410.11 = 817,799.40/x
  3. Step 3: Cross multiply
    918,292.66x = 1,373,410.11 × 817,799.40
  4. Step 4: Simplify right side
    918,292.66x = 1,123,173,963,911.93
  5. Step 5: Solve for x
    x = 1,123,173,963,911.93/918,292.66
  6. Step 6: Final answer
    x = 1,223,111.13

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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.