Home / 1,354,580.89-2,031,867.28-343,700.89

Finding the Fourth Proportional to 1,354,580.89, 2,031,867.28 and 343,700.89

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Solution

The fourth proportional to 1,354,580.89, 2,031,867.28 and 343,700.89 is: 515,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,580.89 : 2,031,867.28 = 343,700.89 : x
  2. Step 2: Convert to fraction form
    1,354,580.89/2,031,867.28 = 343,700.89/x
  3. Step 3: Cross multiply
    1,354,580.89x = 2,031,867.28 × 343,700.89
  4. Step 4: Simplify right side
    1,354,580.89x = 698,354,587,847.84
  5. Step 5: Solve for x
    x = 698,354,587,847.84/1,354,580.89
  6. Step 6: Final answer
    x = 515,550.30

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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.