Home / 1,122,956.10-1,684,434.15-412,837.20

Finding the Fourth Proportional to 1,122,956.10, 1,684,434.15 and 412,837.20

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Solution

The fourth proportional to 1,122,956.10, 1,684,434.15 and 412,837.20 is: 619,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,956.10 : 1,684,434.15 = 412,837.20 : x
  2. Step 2: Convert to fraction form
    1,122,956.10/1,684,434.15 = 412,837.20/x
  3. Step 3: Cross multiply
    1,122,956.10x = 1,684,434.15 × 412,837.20
  4. Step 4: Simplify right side
    1,122,956.10x = 695,397,078,070.38
  5. Step 5: Solve for x
    x = 695,397,078,070.38/1,122,956.10
  6. Step 6: Final answer
    x = 619,255.80

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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.