Home / 1,257,939.56-1,885,334.06-990,644.42

Finding the Fourth Proportional to 1,257,939.56, 1,885,334.06 and 990,644.42

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Solution

The fourth proportional to 1,257,939.56, 1,885,334.06 and 990,644.42 is: 1,484,726.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,939.56 : 1,885,334.06 = 990,644.42 : x
  2. Step 2: Convert to fraction form
    1,257,939.56/1,885,334.06 = 990,644.42/x
  3. Step 3: Cross multiply
    1,257,939.56x = 1,885,334.06 × 990,644.42
  4. Step 4: Simplify right side
    1,257,939.56x = 1,867,695,666,374.95
  5. Step 5: Solve for x
    x = 1,867,695,666,374.95/1,257,939.56
  6. Step 6: Final answer
    x = 1,484,726.08

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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.