Home / 1,530,168.98-2,299,396.61-820,706.18

Finding the Fourth Proportional to 1,530,168.98, 2,299,396.61 and 820,706.18

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Solution

The fourth proportional to 1,530,168.98, 2,299,396.61 and 820,706.18 is: 1,233,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,168.98 : 2,299,396.61 = 820,706.18 : x
  2. Step 2: Convert to fraction form
    1,530,168.98/2,299,396.61 = 820,706.18/x
  3. Step 3: Cross multiply
    1,530,168.98x = 2,299,396.61 × 820,706.18
  4. Step 4: Simplify right side
    1,530,168.98x = 1,887,128,998,652.83
  5. Step 5: Solve for x
    x = 1,887,128,998,652.83/1,530,168.98
  6. Step 6: Final answer
    x = 1,233,281.44

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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.