Home / 1,540,704.02-2,126,164.29-861,643.22

Finding the Fourth Proportional to 1,540,704.02, 2,126,164.29 and 861,643.22

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Solution

The fourth proportional to 1,540,704.02, 2,126,164.29 and 861,643.22 is: 1,189,063.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,704.02 : 2,126,164.29 = 861,643.22 : x
  2. Step 2: Convert to fraction form
    1,540,704.02/2,126,164.29 = 861,643.22/x
  3. Step 3: Cross multiply
    1,540,704.02x = 2,126,164.29 × 861,643.22
  4. Step 4: Simplify right side
    1,540,704.02x = 1,831,995,045,084.61
  5. Step 5: Solve for x
    x = 1,831,995,045,084.61/1,540,704.02
  6. Step 6: Final answer
    x = 1,189,063.58

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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.