Home / 1,091,239.80-1,635,342.48-948,793.20

Finding the Fourth Proportional to 1,091,239.80, 1,635,342.48 and 948,793.20

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Solution

The fourth proportional to 1,091,239.80, 1,635,342.48 and 948,793.20 is: 1,421,870.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,239.80 : 1,635,342.48 = 948,793.20 : x
  2. Step 2: Convert to fraction form
    1,091,239.80/1,635,342.48 = 948,793.20/x
  3. Step 3: Cross multiply
    1,091,239.80x = 1,635,342.48 × 948,793.20
  4. Step 4: Simplify right side
    1,091,239.80x = 1,551,601,824,695.14
  5. Step 5: Solve for x
    x = 1,551,601,824,695.14/1,091,239.80
  6. Step 6: Final answer
    x = 1,421,870.63

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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.