Home / 1,234,977.39-1,703,477.98-990,548.65

Finding the Fourth Proportional to 1,234,977.39, 1,703,477.98 and 990,548.65

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Solution

The fourth proportional to 1,234,977.39, 1,703,477.98 and 990,548.65 is: 1,366,322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,977.39 : 1,703,477.98 = 990,548.65 : x
  2. Step 2: Convert to fraction form
    1,234,977.39/1,703,477.98 = 990,548.65/x
  3. Step 3: Cross multiply
    1,234,977.39x = 1,703,477.98 × 990,548.65
  4. Step 4: Simplify right side
    1,234,977.39x = 1,687,377,806,658.66
  5. Step 5: Solve for x
    x = 1,687,377,806,658.66/1,234,977.39
  6. Step 6: Final answer
    x = 1,366,322.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.