Home / 1,219,932.71-1,830,281.49-734,144.91

Finding the Fourth Proportional to 1,219,932.71, 1,830,281.49 and 734,144.91

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Solution

The fourth proportional to 1,219,932.71, 1,830,281.49 and 734,144.91 is: 1,101,447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,932.71 : 1,830,281.49 = 734,144.91 : x
  2. Step 2: Convert to fraction form
    1,219,932.71/1,830,281.49 = 734,144.91/x
  3. Step 3: Cross multiply
    1,219,932.71x = 1,830,281.49 × 734,144.91
  4. Step 4: Simplify right side
    1,219,932.71x = 1,343,691,843,182.49
  5. Step 5: Solve for x
    x = 1,343,691,843,182.49/1,219,932.71
  6. Step 6: Final answer
    x = 1,101,447.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.