Home / 1,272,959.85-1,756,682.10-729,271.65

Finding the Fourth Proportional to 1,272,959.85, 1,756,682.10 and 729,271.65

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Solution

The fourth proportional to 1,272,959.85, 1,756,682.10 and 729,271.65 is: 1,006,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,959.85 : 1,756,682.10 = 729,271.65 : x
  2. Step 2: Convert to fraction form
    1,272,959.85/1,756,682.10 = 729,271.65/x
  3. Step 3: Cross multiply
    1,272,959.85x = 1,756,682.10 × 729,271.65
  4. Step 4: Simplify right side
    1,272,959.85x = 1,281,098,453,592.47
  5. Step 5: Solve for x
    x = 1,281,098,453,592.47/1,272,959.85
  6. Step 6: Final answer
    x = 1,006,393.45

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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.