Home / 1,296,120.90-1,943,598.15-497,136.90

Finding the Fourth Proportional to 1,296,120.90, 1,943,598.15 and 497,136.90

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Solution

The fourth proportional to 1,296,120.90, 1,943,598.15 and 497,136.90 is: 745,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,120.90 : 1,943,598.15 = 497,136.90 : x
  2. Step 2: Convert to fraction form
    1,296,120.90/1,943,598.15 = 497,136.90/x
  3. Step 3: Cross multiply
    1,296,120.90x = 1,943,598.15 × 497,136.90
  4. Step 4: Simplify right side
    1,296,120.90x = 966,234,359,136.74
  5. Step 5: Solve for x
    x = 966,234,359,136.74/1,296,120.90
  6. Step 6: Final answer
    x = 745,481.66

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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.