Home / 1,251,937.32-1,878,101.44-399,200.10

Finding the Fourth Proportional to 1,251,937.32, 1,878,101.44 and 399,200.10

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Solution

The fourth proportional to 1,251,937.32, 1,878,101.44 and 399,200.10 is: 598,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,937.32 : 1,878,101.44 = 399,200.10 : x
  2. Step 2: Convert to fraction form
    1,251,937.32/1,878,101.44 = 399,200.10/x
  3. Step 3: Cross multiply
    1,251,937.32x = 1,878,101.44 × 399,200.10
  4. Step 4: Simplify right side
    1,251,937.32x = 749,738,274,617.26
  5. Step 5: Solve for x
    x = 749,738,274,617.26/1,251,937.32
  6. Step 6: Final answer
    x = 598,862.47

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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.