Home / 1,373,840.55-1,896,126.90-762,190.36

Finding the Fourth Proportional to 1,373,840.55, 1,896,126.90 and 762,190.36

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Solution

The fourth proportional to 1,373,840.55, 1,896,126.90 and 762,190.36 is: 1,051,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,840.55 : 1,896,126.90 = 762,190.36 : x
  2. Step 2: Convert to fraction form
    1,373,840.55/1,896,126.90 = 762,190.36/x
  3. Step 3: Cross multiply
    1,373,840.55x = 1,896,126.90 × 762,190.36
  4. Step 4: Simplify right side
    1,373,840.55x = 1,445,209,644,516.68
  5. Step 5: Solve for x
    x = 1,445,209,644,516.68/1,373,840.55
  6. Step 6: Final answer
    x = 1,051,948.60

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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.