Home / 1,438,110.24-1,985,310.62-894,421.28

Finding the Fourth Proportional to 1,438,110.24, 1,985,310.62 and 894,421.28

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Solution

The fourth proportional to 1,438,110.24, 1,985,310.62 and 894,421.28 is: 1,234,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,110.24 : 1,985,310.62 = 894,421.28 : x
  2. Step 2: Convert to fraction form
    1,438,110.24/1,985,310.62 = 894,421.28/x
  3. Step 3: Cross multiply
    1,438,110.24x = 1,985,310.62 × 894,421.28
  4. Step 4: Simplify right side
    1,438,110.24x = 1,775,704,065,937.99
  5. Step 5: Solve for x
    x = 1,775,704,065,937.99/1,438,110.24
  6. Step 6: Final answer
    x = 1,234,748.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.