Home / 918,322.11-1,373,454.35-817,828.83

Finding the Fourth Proportional to 918,322.11, 1,373,454.35 and 817,828.83

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Solution

The fourth proportional to 918,322.11, 1,373,454.35 and 817,828.83 is: 1,223,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,322.11 : 1,373,454.35 = 817,828.83 : x
  2. Step 2: Convert to fraction form
    918,322.11/1,373,454.35 = 817,828.83/x
  3. Step 3: Cross multiply
    918,322.11x = 1,373,454.35 × 817,828.83
  4. Step 4: Simplify right side
    918,322.11x = 1,123,250,560,029.77
  5. Step 5: Solve for x
    x = 1,123,250,560,029.77/918,322.11
  6. Step 6: Final answer
    x = 1,223,155.30

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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.