Home / 1,432,131.08-1,977,273.88-889,064.80

Finding the Fourth Proportional to 1,432,131.08, 1,977,273.88 and 889,064.80

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Solution

The fourth proportional to 1,432,131.08, 1,977,273.88 and 889,064.80 is: 1,227,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,131.08 : 1,977,273.88 = 889,064.80 : x
  2. Step 2: Convert to fraction form
    1,432,131.08/1,977,273.88 = 889,064.80/x
  3. Step 3: Cross multiply
    1,432,131.08x = 1,977,273.88 × 889,064.80
  4. Step 4: Simplify right side
    1,432,131.08x = 1,757,924,606,667.42
  5. Step 5: Solve for x
    x = 1,757,924,606,667.42/1,432,131.08
  6. Step 6: Final answer
    x = 1,227,488.62

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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.