Home / 1,296,032.40-1,944,340.20-763,279.20

Finding the Fourth Proportional to 1,296,032.40, 1,944,340.20 and 763,279.20

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Solution

The fourth proportional to 1,296,032.40, 1,944,340.20 and 763,279.20 is: 1,145,090.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,032.40 : 1,944,340.20 = 763,279.20 : x
  2. Step 2: Convert to fraction form
    1,296,032.40/1,944,340.20 = 763,279.20/x
  3. Step 3: Cross multiply
    1,296,032.40x = 1,944,340.20 × 763,279.20
  4. Step 4: Simplify right side
    1,296,032.40x = 1,484,074,432,383.84
  5. Step 5: Solve for x
    x = 1,484,074,432,383.84/1,296,032.40
  6. Step 6: Final answer
    x = 1,145,090.53

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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.