Home / 1,008,726.24-1,391,254.72-646,183.81

Finding the Fourth Proportional to 1,008,726.24, 1,391,254.72 and 646,183.81

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Solution

The fourth proportional to 1,008,726.24, 1,391,254.72 and 646,183.81 is: 891,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,726.24 : 1,391,254.72 = 646,183.81 : x
  2. Step 2: Convert to fraction form
    1,008,726.24/1,391,254.72 = 646,183.81/x
  3. Step 3: Cross multiply
    1,008,726.24x = 1,391,254.72 × 646,183.81
  4. Step 4: Simplify right side
    1,008,726.24x = 899,006,275,650.08
  5. Step 5: Solve for x
    x = 899,006,275,650.08/1,008,726.24
  6. Step 6: Final answer
    x = 891,229.20

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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.