Home / 1,403,077.20-2,105,004.60-930,685.20

Finding the Fourth Proportional to 1,403,077.20, 2,105,004.60 and 930,685.20

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Solution

The fourth proportional to 1,403,077.20, 2,105,004.60 and 930,685.20 is: 1,396,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,077.20 : 2,105,004.60 = 930,685.20 : x
  2. Step 2: Convert to fraction form
    1,403,077.20/2,105,004.60 = 930,685.20/x
  3. Step 3: Cross multiply
    1,403,077.20x = 2,105,004.60 × 930,685.20
  4. Step 4: Simplify right side
    1,403,077.20x = 1,959,096,627,151.92
  5. Step 5: Solve for x
    x = 1,959,096,627,151.92/1,403,077.20
  6. Step 6: Final answer
    x = 1,396,285.70

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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.