Home / 1,222,440.05-1,833,244.85-423,535.13

Finding the Fourth Proportional to 1,222,440.05, 1,833,244.85 and 423,535.13

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Solution

The fourth proportional to 1,222,440.05, 1,833,244.85 and 423,535.13 is: 635,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,440.05 : 1,833,244.85 = 423,535.13 : x
  2. Step 2: Convert to fraction form
    1,222,440.05/1,833,244.85 = 423,535.13/x
  3. Step 3: Cross multiply
    1,222,440.05x = 1,833,244.85 × 423,535.13
  4. Step 4: Simplify right side
    1,222,440.05x = 776,443,594,633.86
  5. Step 5: Solve for x
    x = 776,443,594,633.86/1,222,440.05
  6. Step 6: Final answer
    x = 635,158.83

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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.