Home / 1,387,103.32-2,080,726.98-440,548.12

Finding the Fourth Proportional to 1,387,103.32, 2,080,726.98 and 440,548.12

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Solution

The fourth proportional to 1,387,103.32, 2,080,726.98 and 440,548.12 is: 660,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,103.32 : 2,080,726.98 = 440,548.12 : x
  2. Step 2: Convert to fraction form
    1,387,103.32/2,080,726.98 = 440,548.12/x
  3. Step 3: Cross multiply
    1,387,103.32x = 2,080,726.98 × 440,548.12
  4. Step 4: Simplify right side
    1,387,103.32x = 916,660,359,272.28
  5. Step 5: Solve for x
    x = 916,660,359,272.28/1,387,103.32
  6. Step 6: Final answer
    x = 660,845.05

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1.5x scale

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.