Home / 1,342,223.28-2,013,334.38-489,358.80

Finding the Fourth Proportional to 1,342,223.28, 2,013,334.38 and 489,358.80

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Solution

The fourth proportional to 1,342,223.28, 2,013,334.38 and 489,358.80 is: 734,038.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,223.28 : 2,013,334.38 = 489,358.80 : x
  2. Step 2: Convert to fraction form
    1,342,223.28/2,013,334.38 = 489,358.80/x
  3. Step 3: Cross multiply
    1,342,223.28x = 2,013,334.38 × 489,358.80
  4. Step 4: Simplify right side
    1,342,223.28x = 985,242,896,195.54
  5. Step 5: Solve for x
    x = 985,242,896,195.54/1,342,223.28
  6. Step 6: Final answer
    x = 734,038.00

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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.