Home / 1,515,985.70-2,092,027.65-827,624.03

Finding the Fourth Proportional to 1,515,985.70, 2,092,027.65 and 827,624.03

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Solution

The fourth proportional to 1,515,985.70, 2,092,027.65 and 827,624.03 is: 1,142,103.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,985.70 : 2,092,027.65 = 827,624.03 : x
  2. Step 2: Convert to fraction form
    1,515,985.70/2,092,027.65 = 827,624.03/x
  3. Step 3: Cross multiply
    1,515,985.70x = 2,092,027.65 × 827,624.03
  4. Step 4: Simplify right side
    1,515,985.70x = 1,731,412,357,423.74
  5. Step 5: Solve for x
    x = 1,731,412,357,423.74/1,515,985.70
  6. Step 6: Final answer
    x = 1,142,103.36

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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.