Home / 989,835.84-1,365,977.12-537,126.72

Finding the Fourth Proportional to 989,835.84, 1,365,977.12 and 537,126.72

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Solution

The fourth proportional to 989,835.84, 1,365,977.12 and 537,126.72 is: 741,236.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,835.84 : 1,365,977.12 = 537,126.72 : x
  2. Step 2: Convert to fraction form
    989,835.84/1,365,977.12 = 537,126.72/x
  3. Step 3: Cross multiply
    989,835.84x = 1,365,977.12 × 537,126.72
  4. Step 4: Simplify right side
    989,835.84x = 733,702,810,060.65
  5. Step 5: Solve for x
    x = 733,702,810,060.65/989,835.84
  6. Step 6: Final answer
    x = 741,236.86

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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.