Home / 1,471,090.07-2,206,631.86-391,602.87

Finding the Fourth Proportional to 1,471,090.07, 2,206,631.86 and 391,602.87

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Solution

The fourth proportional to 1,471,090.07, 2,206,631.86 and 391,602.87 is: 587,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,090.07 : 2,206,631.86 = 391,602.87 : x
  2. Step 2: Convert to fraction form
    1,471,090.07/2,206,631.86 = 391,602.87/x
  3. Step 3: Cross multiply
    1,471,090.07x = 2,206,631.86 × 391,602.87
  4. Step 4: Simplify right side
    1,471,090.07x = 864,123,368,430.43
  5. Step 5: Solve for x
    x = 864,123,368,430.43/1,471,090.07
  6. Step 6: Final answer
    x = 587,403.44

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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.