Home / 1,323,219.80-1,984,948.10-513,585.24

Finding the Fourth Proportional to 1,323,219.80, 1,984,948.10 and 513,585.24

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Solution

The fourth proportional to 1,323,219.80, 1,984,948.10 and 513,585.24 is: 770,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,219.80 : 1,984,948.10 = 513,585.24 : x
  2. Step 2: Convert to fraction form
    1,323,219.80/1,984,948.10 = 513,585.24/x
  3. Step 3: Cross multiply
    1,323,219.80x = 1,984,948.10 × 513,585.24
  4. Step 4: Simplify right side
    1,323,219.80x = 1,019,440,036,401.30
  5. Step 5: Solve for x
    x = 1,019,440,036,401.30/1,323,219.80
  6. Step 6: Final answer
    x = 770,423.81

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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.