Home / 1,257,950.88-1,885,351.32-990,655.92

Finding the Fourth Proportional to 1,257,950.88, 1,885,351.32 and 990,655.92

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Solution

The fourth proportional to 1,257,950.88, 1,885,351.32 and 990,655.92 is: 1,484,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,950.88 : 1,885,351.32 = 990,655.92 : x
  2. Step 2: Convert to fraction form
    1,257,950.88/1,885,351.32 = 990,655.92/x
  3. Step 3: Cross multiply
    1,257,950.88x = 1,885,351.32 × 990,655.92
  4. Step 4: Simplify right side
    1,257,950.88x = 1,867,734,446,437.81
  5. Step 5: Solve for x
    x = 1,867,734,446,437.81/1,257,950.88
  6. Step 6: Final answer
    x = 1,484,743.54

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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.