Home / 1,315,131.30-1,972,808.66-462,129.17

Finding the Fourth Proportional to 1,315,131.30, 1,972,808.66 and 462,129.17

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Solution

The fourth proportional to 1,315,131.30, 1,972,808.66 and 462,129.17 is: 693,233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,131.30 : 1,972,808.66 = 462,129.17 : x
  2. Step 2: Convert to fraction form
    1,315,131.30/1,972,808.66 = 462,129.17/x
  3. Step 3: Cross multiply
    1,315,131.30x = 1,972,808.66 × 462,129.17
  4. Step 4: Simplify right side
    1,315,131.30x = 911,692,416,439.92
  5. Step 5: Solve for x
    x = 911,692,416,439.92/1,315,131.30
  6. Step 6: Final answer
    x = 693,233.00

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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.