Home / 1,230,943.72-1,847,222.91-432,204.70

Finding the Fourth Proportional to 1,230,943.72, 1,847,222.91 and 432,204.70

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Solution

The fourth proportional to 1,230,943.72, 1,847,222.91 and 432,204.70 is: 648,590.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,943.72 : 1,847,222.91 = 432,204.70 : x
  2. Step 2: Convert to fraction form
    1,230,943.72/1,847,222.91 = 432,204.70/x
  3. Step 3: Cross multiply
    1,230,943.72x = 1,847,222.91 × 432,204.70
  4. Step 4: Simplify right side
    1,230,943.72x = 798,378,423,649.68
  5. Step 5: Solve for x
    x = 798,378,423,649.68/1,230,943.72
  6. Step 6: Final answer
    x = 648,590.52

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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.