Home / 1,224,021.60-1,836,291.60-371,023.20

Finding the Fourth Proportional to 1,224,021.60, 1,836,291.60 and 371,023.20

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Solution

The fourth proportional to 1,224,021.60, 1,836,291.60 and 371,023.20 is: 556,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,021.60 : 1,836,291.60 = 371,023.20 : x
  2. Step 2: Convert to fraction form
    1,224,021.60/1,836,291.60 = 371,023.20/x
  3. Step 3: Cross multiply
    1,224,021.60x = 1,836,291.60 × 371,023.20
  4. Step 4: Simplify right side
    1,224,021.60x = 681,306,785,565.12
  5. Step 5: Solve for x
    x = 681,306,785,565.12/1,224,021.60
  6. Step 6: Final answer
    x = 556,613.37

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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.