Home / 1,251,045.48-1,726,445.82-678,085.08

Finding the Fourth Proportional to 1,251,045.48, 1,726,445.82 and 678,085.08

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Solution

The fourth proportional to 1,251,045.48, 1,726,445.82 and 678,085.08 is: 935,759.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,045.48 : 1,726,445.82 = 678,085.08 : x
  2. Step 2: Convert to fraction form
    1,251,045.48/1,726,445.82 = 678,085.08/x
  3. Step 3: Cross multiply
    1,251,045.48x = 1,726,445.82 × 678,085.08
  4. Step 4: Simplify right side
    1,251,045.48x = 1,170,677,151,970.37
  5. Step 5: Solve for x
    x = 1,170,677,151,970.37/1,251,045.48
  6. Step 6: Final answer
    x = 935,759.07

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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.