Home / 1,290,763.24-1,935,822.96-379,764.45

Finding the Fourth Proportional to 1,290,763.24, 1,935,822.96 and 379,764.45

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Solution

The fourth proportional to 1,290,763.24, 1,935,822.96 and 379,764.45 is: 569,551.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,763.24 : 1,935,822.96 = 379,764.45 : x
  2. Step 2: Convert to fraction form
    1,290,763.24/1,935,822.96 = 379,764.45/x
  3. Step 3: Cross multiply
    1,290,763.24x = 1,935,822.96 × 379,764.45
  4. Step 4: Simplify right side
    1,290,763.24x = 735,156,741,701.77
  5. Step 5: Solve for x
    x = 735,156,741,701.77/1,290,763.24
  6. Step 6: Final answer
    x = 569,551.97

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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.