Home / 1,230,649.20-1,844,661.60-472,197.60

Finding the Fourth Proportional to 1,230,649.20, 1,844,661.60 and 472,197.60

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Solution

The fourth proportional to 1,230,649.20, 1,844,661.60 and 472,197.60 is: 707,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,649.20 : 1,844,661.60 = 472,197.60 : x
  2. Step 2: Convert to fraction form
    1,230,649.20/1,844,661.60 = 472,197.60/x
  3. Step 3: Cross multiply
    1,230,649.20x = 1,844,661.60 × 472,197.60
  4. Step 4: Simplify right side
    1,230,649.20x = 871,044,780,332.16
  5. Step 5: Solve for x
    x = 871,044,780,332.16/1,230,649.20
  6. Step 6: Final answer
    x = 707,792.91

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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.