Home / 1,292,665.20-1,939,305.42-651,393.24

Finding the Fourth Proportional to 1,292,665.20, 1,939,305.42 and 651,393.24

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Solution

The fourth proportional to 1,292,665.20, 1,939,305.42 and 651,393.24 is: 977,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,665.20 : 1,939,305.42 = 651,393.24 : x
  2. Step 2: Convert to fraction form
    1,292,665.20/1,939,305.42 = 651,393.24/x
  3. Step 3: Cross multiply
    1,292,665.20x = 1,939,305.42 × 651,393.24
  4. Step 4: Simplify right side
    1,292,665.20x = 1,263,250,440,883.36
  5. Step 5: Solve for x
    x = 1,263,250,440,883.36/1,292,665.20
  6. Step 6: Final answer
    x = 977,244.87

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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.