Home / 1,442,259.88-1,990,240.50-797,642.44

Finding the Fourth Proportional to 1,442,259.88, 1,990,240.50 and 797,642.44

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Solution

The fourth proportional to 1,442,259.88, 1,990,240.50 and 797,642.44 is: 1,100,703.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,259.88 : 1,990,240.50 = 797,642.44 : x
  2. Step 2: Convert to fraction form
    1,442,259.88/1,990,240.50 = 797,642.44/x
  3. Step 3: Cross multiply
    1,442,259.88x = 1,990,240.50 × 797,642.44
  4. Step 4: Simplify right side
    1,442,259.88x = 1,587,500,288,606.82
  5. Step 5: Solve for x
    x = 1,587,500,288,606.82/1,442,259.88
  6. Step 6: Final answer
    x = 1,100,703.35

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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.