Home / 1,522,242.34-2,100,763.65-843,178.78

Finding the Fourth Proportional to 1,522,242.34, 2,100,763.65 and 843,178.78

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Solution

The fourth proportional to 1,522,242.34, 2,100,763.65 and 843,178.78 is: 1,163,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,242.34 : 2,100,763.65 = 843,178.78 : x
  2. Step 2: Convert to fraction form
    1,522,242.34/2,100,763.65 = 843,178.78/x
  3. Step 3: Cross multiply
    1,522,242.34x = 2,100,763.65 × 843,178.78
  4. Step 4: Simplify right side
    1,522,242.34x = 1,771,319,331,475.35
  5. Step 5: Solve for x
    x = 1,771,319,331,475.35/1,522,242.34
  6. Step 6: Final answer
    x = 1,163,625.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.