Home / 1,485,404.30-2,049,864.09-840,948.86

Finding the Fourth Proportional to 1,485,404.30, 2,049,864.09 and 840,948.86

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Solution

The fourth proportional to 1,485,404.30, 2,049,864.09 and 840,948.86 is: 1,160,512.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,404.30 : 2,049,864.09 = 840,948.86 : x
  2. Step 2: Convert to fraction form
    1,485,404.30/2,049,864.09 = 840,948.86/x
  3. Step 3: Cross multiply
    1,485,404.30x = 2,049,864.09 × 840,948.86
  4. Step 4: Simplify right side
    1,485,404.30x = 1,723,830,869,640.44
  5. Step 5: Solve for x
    x = 1,723,830,869,640.44/1,485,404.30
  6. Step 6: Final answer
    x = 1,160,512.91

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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.