Home / 1,478,648.79-2,039,595.80-969,383.97

Finding the Fourth Proportional to 1,478,648.79, 2,039,595.80 and 969,383.97

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Solution

The fourth proportional to 1,478,648.79, 2,039,595.80 and 969,383.97 is: 1,337,133.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,648.79 : 2,039,595.80 = 969,383.97 : x
  2. Step 2: Convert to fraction form
    1,478,648.79/2,039,595.80 = 969,383.97/x
  3. Step 3: Cross multiply
    1,478,648.79x = 2,039,595.80 × 969,383.97
  4. Step 4: Simplify right side
    1,478,648.79x = 1,977,151,468,952.41
  5. Step 5: Solve for x
    x = 1,977,151,468,952.41/1,478,648.79
  6. Step 6: Final answer
    x = 1,337,133.93

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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.