Home / 1,224,046.95-1,689,340.13-740,616.09

Finding the Fourth Proportional to 1,224,046.95, 1,689,340.13 and 740,616.09

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Solution

The fourth proportional to 1,224,046.95, 1,689,340.13 and 740,616.09 is: 1,022,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,046.95 : 1,689,340.13 = 740,616.09 : x
  2. Step 2: Convert to fraction form
    1,224,046.95/1,689,340.13 = 740,616.09/x
  3. Step 3: Cross multiply
    1,224,046.95x = 1,689,340.13 × 740,616.09
  4. Step 4: Simplify right side
    1,224,046.95x = 1,251,152,481,760.69
  5. Step 5: Solve for x
    x = 1,251,152,481,760.69/1,224,046.95
  6. Step 6: Final answer
    x = 1,022,144.19

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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.