Home / 1,391,962.25-2,088,101.07-1,248,928.77

Finding the Fourth Proportional to 1,391,962.25, 2,088,101.07 and 1,248,928.77

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Solution

The fourth proportional to 1,391,962.25, 2,088,101.07 and 1,248,928.77 is: 1,873,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,962.25 : 2,088,101.07 = 1,248,928.77 : x
  2. Step 2: Convert to fraction form
    1,391,962.25/2,088,101.07 = 1,248,928.77/x
  3. Step 3: Cross multiply
    1,391,962.25x = 2,088,101.07 × 1,248,928.77
  4. Step 4: Simplify right side
    1,391,962.25x = 2,607,889,500,990.78
  5. Step 5: Solve for x
    x = 2,607,889,500,990.78/1,391,962.25
  6. Step 6: Final answer
    x = 1,873,534.65

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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.