Home / 1,108,275.04-1,660,006.74-680,512.42

Finding the Fourth Proportional to 1,108,275.04, 1,660,006.74 and 680,512.42

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Solution

The fourth proportional to 1,108,275.04, 1,660,006.74 and 680,512.42 is: 1,019,291.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,275.04 : 1,660,006.74 = 680,512.42 : x
  2. Step 2: Convert to fraction form
    1,108,275.04/1,660,006.74 = 680,512.42/x
  3. Step 3: Cross multiply
    1,108,275.04x = 1,660,006.74 × 680,512.42
  4. Step 4: Simplify right side
    1,108,275.04x = 1,129,655,203,853.71
  5. Step 5: Solve for x
    x = 1,129,655,203,853.71/1,108,275.04
  6. Step 6: Final answer
    x = 1,019,291.39

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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.