Home / 1,471,089.89-2,206,631.58-391,602.69

Finding the Fourth Proportional to 1,471,089.89, 2,206,631.58 and 391,602.69

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Solution

The fourth proportional to 1,471,089.89, 2,206,631.58 and 391,602.69 is: 587,403.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,089.89 : 2,206,631.58 = 391,602.69 : x
  2. Step 2: Convert to fraction form
    1,471,089.89/2,206,631.58 = 391,602.69/x
  3. Step 3: Cross multiply
    1,471,089.89x = 2,206,631.58 × 391,602.69
  4. Step 4: Simplify right side
    1,471,089.89x = 864,122,862,566.95
  5. Step 5: Solve for x
    x = 864,122,862,566.95/1,471,089.89
  6. Step 6: Final answer
    x = 587,403.17

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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.