Home / 1,259,101.32-1,737,505.80-715,235.52

Finding the Fourth Proportional to 1,259,101.32, 1,737,505.80 and 715,235.52

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Solution

The fourth proportional to 1,259,101.32, 1,737,505.80 and 715,235.52 is: 986,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,101.32 : 1,737,505.80 = 715,235.52 : x
  2. Step 2: Convert to fraction form
    1,259,101.32/1,737,505.80 = 715,235.52/x
  3. Step 3: Cross multiply
    1,259,101.32x = 1,737,505.80 × 715,235.52
  4. Step 4: Simplify right side
    1,259,101.32x = 1,242,725,864,366.02
  5. Step 5: Solve for x
    x = 1,242,725,864,366.02/1,259,101.32
  6. Step 6: Final answer
    x = 986,994.33

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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.