Home / 1,247,881.49-1,872,029.02-438,055.85

Finding the Fourth Proportional to 1,247,881.49, 1,872,029.02 and 438,055.85

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Solution

The fourth proportional to 1,247,881.49, 1,872,029.02 and 438,055.85 is: 657,156.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,881.49 : 1,872,029.02 = 438,055.85 : x
  2. Step 2: Convert to fraction form
    1,247,881.49/1,872,029.02 = 438,055.85/x
  3. Step 3: Cross multiply
    1,247,881.49x = 1,872,029.02 × 438,055.85
  4. Step 4: Simplify right side
    1,247,881.49x = 820,053,257,456.89
  5. Step 5: Solve for x
    x = 820,053,257,456.89/1,247,881.49
  6. Step 6: Final answer
    x = 657,156.36

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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.