Home / 1,145,444.78-1,580,717.49-636,147.16

Finding the Fourth Proportional to 1,145,444.78, 1,580,717.49 and 636,147.16

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Solution

The fourth proportional to 1,145,444.78, 1,580,717.49 and 636,147.16 is: 877,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,444.78 : 1,580,717.49 = 636,147.16 : x
  2. Step 2: Convert to fraction form
    1,145,444.78/1,580,717.49 = 636,147.16/x
  3. Step 3: Cross multiply
    1,145,444.78x = 1,580,717.49 × 636,147.16
  4. Step 4: Simplify right side
    1,145,444.78x = 1,005,568,942,025.83
  5. Step 5: Solve for x
    x = 1,005,568,942,025.83/1,145,444.78
  6. Step 6: Final answer
    x = 877,885.13

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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.