Home / 1,356,322.38-1,871,726.67-744,478.62

Finding the Fourth Proportional to 1,356,322.38, 1,871,726.67 and 744,478.62

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Solution

The fourth proportional to 1,356,322.38, 1,871,726.67 and 744,478.62 is: 1,027,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,322.38 : 1,871,726.67 = 744,478.62 : x
  2. Step 2: Convert to fraction form
    1,356,322.38/1,871,726.67 = 744,478.62/x
  3. Step 3: Cross multiply
    1,356,322.38x = 1,871,726.67 × 744,478.62
  4. Step 4: Simplify right side
    1,356,322.38x = 1,393,460,488,298.80
  5. Step 5: Solve for x
    x = 1,393,460,488,298.80/1,356,322.38
  6. Step 6: Final answer
    x = 1,027,381.48

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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.