Home / 990,381.20-1,366,733.05-537,672.20

Finding the Fourth Proportional to 990,381.20, 1,366,733.05 and 537,672.20

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Solution

The fourth proportional to 990,381.20, 1,366,733.05 and 537,672.20 is: 741,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,381.20 : 1,366,733.05 = 537,672.20 : x
  2. Step 2: Convert to fraction form
    990,381.20/1,366,733.05 = 537,672.20/x
  3. Step 3: Cross multiply
    990,381.20x = 1,366,733.05 × 537,672.20
  4. Step 4: Simplify right side
    990,381.20x = 734,854,357,628.36
  5. Step 5: Solve for x
    x = 734,854,357,628.36/990,381.20
  6. Step 6: Final answer
    x = 741,991.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.