Home / 961,192.80-1,442,007.90-561,627.90

Finding the Fourth Proportional to 961,192.80, 1,442,007.90 and 561,627.90

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Solution

The fourth proportional to 961,192.80, 1,442,007.90 and 561,627.90 is: 842,569.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,192.80 : 1,442,007.90 = 561,627.90 : x
  2. Step 2: Convert to fraction form
    961,192.80/1,442,007.90 = 561,627.90/x
  3. Step 3: Cross multiply
    961,192.80x = 1,442,007.90 × 561,627.90
  4. Step 4: Simplify right side
    961,192.80x = 809,871,868,660.41
  5. Step 5: Solve for x
    x = 809,871,868,660.41/961,192.80
  6. Step 6: Final answer
    x = 842,569.64

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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.