Home / 1,438,022.34-1,985,189.86-894,333.24

Finding the Fourth Proportional to 1,438,022.34, 1,985,189.86 and 894,333.24

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Solution

The fourth proportional to 1,438,022.34, 1,985,189.86 and 894,333.24 is: 1,234,627.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,022.34 : 1,985,189.86 = 894,333.24 : x
  2. Step 2: Convert to fraction form
    1,438,022.34/1,985,189.86 = 894,333.24/x
  3. Step 3: Cross multiply
    1,438,022.34x = 1,985,189.86 × 894,333.24
  4. Step 4: Simplify right side
    1,438,022.34x = 1,775,421,279,508.95
  5. Step 5: Solve for x
    x = 1,775,421,279,508.95/1,438,022.34
  6. Step 6: Final answer
    x = 1,234,627.05

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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.