Home / 989,833.68-1,365,974.36-537,124.72

Finding the Fourth Proportional to 989,833.68, 1,365,974.36 and 537,124.72

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Solution

The fourth proportional to 989,833.68, 1,365,974.36 and 537,124.72 is: 741,234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,833.68 : 1,365,974.36 = 537,124.72 : x
  2. Step 2: Convert to fraction form
    989,833.68/1,365,974.36 = 537,124.72/x
  3. Step 3: Cross multiply
    989,833.68x = 1,365,974.36 × 537,124.72
  4. Step 4: Simplify right side
    989,833.68x = 733,698,595,642.18
  5. Step 5: Solve for x
    x = 733,698,595,642.18/989,833.68
  6. Step 6: Final answer
    x = 741,234.22

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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.