Home / 1,432,514.37-1,976,828.15-787,934.39

Finding the Fourth Proportional to 1,432,514.37, 1,976,828.15 and 787,934.39

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Solution

The fourth proportional to 1,432,514.37, 1,976,828.15 and 787,934.39 is: 1,087,326.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,514.37 : 1,976,828.15 = 787,934.39 : x
  2. Step 2: Convert to fraction form
    1,432,514.37/1,976,828.15 = 787,934.39/x
  3. Step 3: Cross multiply
    1,432,514.37x = 1,976,828.15 × 787,934.39
  4. Step 4: Simplify right side
    1,432,514.37x = 1,557,610,878,565.41
  5. Step 5: Solve for x
    x = 1,557,610,878,565.41/1,432,514.37
  6. Step 6: Final answer
    x = 1,087,326.53

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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.