Home / 1,143,447.91-1,578,029.96-634,150.29

Finding the Fourth Proportional to 1,143,447.91, 1,578,029.96 and 634,150.29

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Solution

The fourth proportional to 1,143,447.91, 1,578,029.96 and 634,150.29 is: 875,167.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,447.91 : 1,578,029.96 = 634,150.29 : x
  2. Step 2: Convert to fraction form
    1,143,447.91/1,578,029.96 = 634,150.29/x
  3. Step 3: Cross multiply
    1,143,447.91x = 1,578,029.96 × 634,150.29
  4. Step 4: Simplify right side
    1,143,447.91x = 1,000,708,156,762.69
  5. Step 5: Solve for x
    x = 1,000,708,156,762.69/1,143,447.91
  6. Step 6: Final answer
    x = 875,167.24

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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.