Home / 1,445,162.79-2,168,228.12-472,571.92

Finding the Fourth Proportional to 1,445,162.79, 2,168,228.12 and 472,571.92

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Solution

The fourth proportional to 1,445,162.79, 2,168,228.12 and 472,571.92 is: 709,016.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,162.79 : 2,168,228.12 = 472,571.92 : x
  2. Step 2: Convert to fraction form
    1,445,162.79/2,168,228.12 = 472,571.92/x
  3. Step 3: Cross multiply
    1,445,162.79x = 2,168,228.12 × 472,571.92
  4. Step 4: Simplify right side
    1,445,162.79x = 1,024,643,726,013.82
  5. Step 5: Solve for x
    x = 1,024,643,726,013.82/1,445,162.79
  6. Step 6: Final answer
    x = 709,016.13

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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.