Home / 1,207,902.60-1,812,072.60-607,352.40

Finding the Fourth Proportional to 1,207,902.60, 1,812,072.60 and 607,352.40

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Solution

The fourth proportional to 1,207,902.60, 1,812,072.60 and 607,352.40 is: 911,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,902.60 : 1,812,072.60 = 607,352.40 : x
  2. Step 2: Convert to fraction form
    1,207,902.60/1,812,072.60 = 607,352.40/x
  3. Step 3: Cross multiply
    1,207,902.60x = 1,812,072.60 × 607,352.40
  4. Step 4: Simplify right side
    1,207,902.60x = 1,100,566,642,584.24
  5. Step 5: Solve for x
    x = 1,100,566,642,584.24/1,207,902.60
  6. Step 6: Final answer
    x = 911,138.57

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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.