Home / 1,491,331.55-2,058,125.75-1,123,159.33

Finding the Fourth Proportional to 1,491,331.55, 2,058,125.75 and 1,123,159.33

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Solution

The fourth proportional to 1,491,331.55, 2,058,125.75 and 1,123,159.33 is: 1,550,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,331.55 : 2,058,125.75 = 1,123,159.33 : x
  2. Step 2: Convert to fraction form
    1,491,331.55/2,058,125.75 = 1,123,159.33/x
  3. Step 3: Cross multiply
    1,491,331.55x = 2,058,125.75 × 1,123,159.33
  4. Step 4: Simplify right side
    1,491,331.55x = 2,311,603,129,332.34
  5. Step 5: Solve for x
    x = 2,311,603,129,332.34/1,491,331.55
  6. Step 6: Final answer
    x = 1,550,026.30

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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.