Home / 1,645,158.24-2,270,302.56-919,997.64

Finding the Fourth Proportional to 1,645,158.24, 2,270,302.56 and 919,997.64

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Solution

The fourth proportional to 1,645,158.24, 2,270,302.56 and 919,997.64 is: 1,269,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,158.24 : 2,270,302.56 = 919,997.64 : x
  2. Step 2: Convert to fraction form
    1,645,158.24/2,270,302.56 = 919,997.64/x
  3. Step 3: Cross multiply
    1,645,158.24x = 2,270,302.56 × 919,997.64
  4. Step 4: Simplify right side
    1,645,158.24x = 2,088,672,997,285.96
  5. Step 5: Solve for x
    x = 2,088,672,997,285.96/1,645,158.24
  6. Step 6: Final answer
    x = 1,269,587.90

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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.