Home / 1,387,405.40-2,080,263.30-544,947.80

Finding the Fourth Proportional to 1,387,405.40, 2,080,263.30 and 544,947.80

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Solution

The fourth proportional to 1,387,405.40, 2,080,263.30 and 544,947.80 is: 817,089.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,405.40 : 2,080,263.30 = 544,947.80 : x
  2. Step 2: Convert to fraction form
    1,387,405.40/2,080,263.30 = 544,947.80/x
  3. Step 3: Cross multiply
    1,387,405.40x = 2,080,263.30 × 544,947.80
  4. Step 4: Simplify right side
    1,387,405.40x = 1,133,634,908,755.74
  5. Step 5: Solve for x
    x = 1,133,634,908,755.74/1,387,405.40
  6. Step 6: Final answer
    x = 817,089.88

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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.