Home / 1,315,521.73-1,972,940.07-556,972.75

Finding the Fourth Proportional to 1,315,521.73, 1,972,940.07 and 556,972.75

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Solution

The fourth proportional to 1,315,521.73, 1,972,940.07 and 556,972.75 is: 835,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,521.73 : 1,972,940.07 = 556,972.75 : x
  2. Step 2: Convert to fraction form
    1,315,521.73/1,972,940.07 = 556,972.75/x
  3. Step 3: Cross multiply
    1,315,521.73x = 1,972,940.07 × 556,972.75
  4. Step 4: Simplify right side
    1,315,521.73x = 1,098,873,856,373.09
  5. Step 5: Solve for x
    x = 1,098,873,856,373.09/1,315,521.73
  6. Step 6: Final answer
    x = 835,314.10

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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.