Home / 1,427,156.70-1,969,567.29-942,872.28

Finding the Fourth Proportional to 1,427,156.70, 1,969,567.29 and 942,872.28

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Solution

The fourth proportional to 1,427,156.70, 1,969,567.29 and 942,872.28 is: 1,301,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,156.70 : 1,969,567.29 = 942,872.28 : x
  2. Step 2: Convert to fraction form
    1,427,156.70/1,969,567.29 = 942,872.28/x
  3. Step 3: Cross multiply
    1,427,156.70x = 1,969,567.29 × 942,872.28
  4. Step 4: Simplify right side
    1,427,156.70x = 1,857,050,401,335.72
  5. Step 5: Solve for x
    x = 1,857,050,401,335.72/1,427,156.70
  6. Step 6: Final answer
    x = 1,301,223.90

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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.