Home / 1,158,359.61-1,597,588.48-815,331.09

Finding the Fourth Proportional to 1,158,359.61, 1,597,588.48 and 815,331.09

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Solution

The fourth proportional to 1,158,359.61, 1,597,588.48 and 815,331.09 is: 1,124,489.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,359.61 : 1,597,588.48 = 815,331.09 : x
  2. Step 2: Convert to fraction form
    1,158,359.61/1,597,588.48 = 815,331.09/x
  3. Step 3: Cross multiply
    1,158,359.61x = 1,597,588.48 × 815,331.09
  4. Step 4: Simplify right side
    1,158,359.61x = 1,302,563,556,769.84
  5. Step 5: Solve for x
    x = 1,302,563,556,769.84/1,158,359.61
  6. Step 6: Final answer
    x = 1,124,489.79

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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.