Home / 989,869.84-1,366,023.96-537,160.72

Finding the Fourth Proportional to 989,869.84, 1,366,023.96 and 537,160.72

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Solution

The fourth proportional to 989,869.84, 1,366,023.96 and 537,160.72 is: 741,283.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,869.84 : 1,366,023.96 = 537,160.72 : x
  2. Step 2: Convert to fraction form
    989,869.84/1,366,023.96 = 537,160.72/x
  3. Step 3: Cross multiply
    989,869.84x = 1,366,023.96 × 537,160.72
  4. Step 4: Simplify right side
    989,869.84x = 733,774,413,890.85
  5. Step 5: Solve for x
    x = 733,774,413,890.85/989,869.84
  6. Step 6: Final answer
    x = 741,283.74

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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.