Home / 1,359,249.12-1,875,811.91-747,448.29

Finding the Fourth Proportional to 1,359,249.12, 1,875,811.91 and 747,448.29

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Solution

The fourth proportional to 1,359,249.12, 1,875,811.91 and 747,448.29 is: 1,031,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,249.12 : 1,875,811.91 = 747,448.29 : x
  2. Step 2: Convert to fraction form
    1,359,249.12/1,875,811.91 = 747,448.29/x
  3. Step 3: Cross multiply
    1,359,249.12x = 1,875,811.91 × 747,448.29
  4. Step 4: Simplify right side
    1,359,249.12x = 1,402,072,400,753.89
  5. Step 5: Solve for x
    x = 1,402,072,400,753.89/1,359,249.12
  6. Step 6: Final answer
    x = 1,031,505.10

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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.