Home / 1,213,439.32-1,820,393.07-465,427

Finding the Fourth Proportional to 1,213,439.32, 1,820,393.07 and 465,427

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Solution

The fourth proportional to 1,213,439.32, 1,820,393.07 and 465,427 is: 698,230.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,439.32 : 1,820,393.07 = 465,427 : x
  2. Step 2: Convert to fraction form
    1,213,439.32/1,820,393.07 = 465,427/x
  3. Step 3: Cross multiply
    1,213,439.32x = 1,820,393.07 × 465,427
  4. Step 4: Simplify right side
    1,213,439.32x = 847,260,085,390.89
  5. Step 5: Solve for x
    x = 847,260,085,390.89/1,213,439.32
  6. Step 6: Final answer
    x = 698,230.29

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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.