Home / 1,054,388.40-1,581,712.20-344,223.60

Finding the Fourth Proportional to 1,054,388.40, 1,581,712.20 and 344,223.60

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Solution

The fourth proportional to 1,054,388.40, 1,581,712.20 and 344,223.60 is: 516,377.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,388.40 : 1,581,712.20 = 344,223.60 : x
  2. Step 2: Convert to fraction form
    1,054,388.40/1,581,712.20 = 344,223.60/x
  3. Step 3: Cross multiply
    1,054,388.40x = 1,581,712.20 × 344,223.60
  4. Step 4: Simplify right side
    1,054,388.40x = 544,462,667,647.92
  5. Step 5: Solve for x
    x = 544,462,667,647.92/1,054,388.40
  6. Step 6: Final answer
    x = 516,377.71

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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.