Home / 1,581,272.88-2,181,989.13-892,903.01

Finding the Fourth Proportional to 1,581,272.88, 2,181,989.13 and 892,903.01

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Solution

The fourth proportional to 1,581,272.88, 2,181,989.13 and 892,903.01 is: 1,232,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,272.88 : 2,181,989.13 = 892,903.01 : x
  2. Step 2: Convert to fraction form
    1,581,272.88/2,181,989.13 = 892,903.01/x
  3. Step 3: Cross multiply
    1,581,272.88x = 2,181,989.13 × 892,903.01
  4. Step 4: Simplify right side
    1,581,272.88x = 1,948,304,661,964.28
  5. Step 5: Solve for x
    x = 1,948,304,661,964.28/1,581,272.88
  6. Step 6: Final answer
    x = 1,232,111.60

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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.