Home / 1,448,549.70-2,172,824.55-909,672.90

Finding the Fourth Proportional to 1,448,549.70, 2,172,824.55 and 909,672.90

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Solution

The fourth proportional to 1,448,549.70, 2,172,824.55 and 909,672.90 is: 1,364,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,549.70 : 2,172,824.55 = 909,672.90 : x
  2. Step 2: Convert to fraction form
    1,448,549.70/2,172,824.55 = 909,672.90/x
  3. Step 3: Cross multiply
    1,448,549.70x = 2,172,824.55 × 909,672.90
  4. Step 4: Simplify right side
    1,448,549.70x = 1,976,559,609,589.69
  5. Step 5: Solve for x
    x = 1,976,559,609,589.69/1,448,549.70
  6. Step 6: Final answer
    x = 1,364,509.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.