Home / 1,212,527.20-1,817,624.40-942,505.60

Finding the Fourth Proportional to 1,212,527.20, 1,817,624.40 and 942,505.60

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Solution

The fourth proportional to 1,212,527.20, 1,817,624.40 and 942,505.60 is: 1,412,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,527.20 : 1,817,624.40 = 942,505.60 : x
  2. Step 2: Convert to fraction form
    1,212,527.20/1,817,624.40 = 942,505.60/x
  3. Step 3: Cross multiply
    1,212,527.20x = 1,817,624.40 × 942,505.60
  4. Step 4: Simplify right side
    1,212,527.20x = 1,713,121,175,696.64
  5. Step 5: Solve for x
    x = 1,713,121,175,696.64/1,212,527.20
  6. Step 6: Final answer
    x = 1,412,851.75

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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.