Home / 1,351,554.47-1,865,150.11-731,359.65

Finding the Fourth Proportional to 1,351,554.47, 1,865,150.11 and 731,359.65

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Solution

The fourth proportional to 1,351,554.47, 1,865,150.11 and 731,359.65 is: 1,009,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,554.47 : 1,865,150.11 = 731,359.65 : x
  2. Step 2: Convert to fraction form
    1,351,554.47/1,865,150.11 = 731,359.65/x
  3. Step 3: Cross multiply
    1,351,554.47x = 1,865,150.11 × 731,359.65
  4. Step 4: Simplify right side
    1,351,554.47x = 1,364,095,522,321.31
  5. Step 5: Solve for x
    x = 1,364,095,522,321.31/1,351,554.47
  6. Step 6: Final answer
    x = 1,009,278.98

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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.