Home / 1,277,317.56-1,916,374.02-378,764.04

Finding the Fourth Proportional to 1,277,317.56, 1,916,374.02 and 378,764.04

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Solution

The fourth proportional to 1,277,317.56, 1,916,374.02 and 378,764.04 is: 568,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,317.56 : 1,916,374.02 = 378,764.04 : x
  2. Step 2: Convert to fraction form
    1,277,317.56/1,916,374.02 = 378,764.04/x
  3. Step 3: Cross multiply
    1,277,317.56x = 1,916,374.02 × 378,764.04
  4. Step 4: Simplify right side
    1,277,317.56x = 725,853,565,966.24
  5. Step 5: Solve for x
    x = 725,853,565,966.24/1,277,317.56
  6. Step 6: Final answer
    x = 568,263.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.