Home / 1,206,462.16-1,664,851.80-662,669.20

Finding the Fourth Proportional to 1,206,462.16, 1,664,851.80 and 662,669.20

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Solution

The fourth proportional to 1,206,462.16, 1,664,851.80 and 662,669.20 is: 914,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,462.16 : 1,664,851.80 = 662,669.20 : x
  2. Step 2: Convert to fraction form
    1,206,462.16/1,664,851.80 = 662,669.20/x
  3. Step 3: Cross multiply
    1,206,462.16x = 1,664,851.80 × 662,669.20
  4. Step 4: Simplify right side
    1,206,462.16x = 1,103,246,010,424.56
  5. Step 5: Solve for x
    x = 1,103,246,010,424.56/1,206,462.16
  6. Step 6: Final answer
    x = 914,447.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.