Home / 1,296,134.65-1,944,201.98-1,240,147.45

Finding the Fourth Proportional to 1,296,134.65, 1,944,201.98 and 1,240,147.45

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Solution

The fourth proportional to 1,296,134.65, 1,944,201.98 and 1,240,147.45 is: 1,860,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,134.65 : 1,944,201.98 = 1,240,147.45 : x
  2. Step 2: Convert to fraction form
    1,296,134.65/1,944,201.98 = 1,240,147.45/x
  3. Step 3: Cross multiply
    1,296,134.65x = 1,944,201.98 × 1,240,147.45
  4. Step 4: Simplify right side
    1,296,134.65x = 2,411,097,127,781.95
  5. Step 5: Solve for x
    x = 2,411,097,127,781.95/1,296,134.65
  6. Step 6: Final answer
    x = 1,860,221.18

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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.