Home / 1,251,043.48-1,726,443.06-678,083.08

Finding the Fourth Proportional to 1,251,043.48, 1,726,443.06 and 678,083.08

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Solution

The fourth proportional to 1,251,043.48, 1,726,443.06 and 678,083.08 is: 935,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,043.48 : 1,726,443.06 = 678,083.08 : x
  2. Step 2: Convert to fraction form
    1,251,043.48/1,726,443.06 = 678,083.08/x
  3. Step 3: Cross multiply
    1,251,043.48x = 1,726,443.06 × 678,083.08
  4. Step 4: Simplify right side
    1,251,043.48x = 1,170,671,827,569.42
  5. Step 5: Solve for x
    x = 1,170,671,827,569.42/1,251,043.48
  6. Step 6: Final answer
    x = 935,756.31

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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.