Home / 1,333,546.80-2,000,579.40-386,948.40

Finding the Fourth Proportional to 1,333,546.80, 2,000,579.40 and 386,948.40

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Solution

The fourth proportional to 1,333,546.80, 2,000,579.40 and 386,948.40 is: 580,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,546.80 : 2,000,579.40 = 386,948.40 : x
  2. Step 2: Convert to fraction form
    1,333,546.80/2,000,579.40 = 386,948.40/x
  3. Step 3: Cross multiply
    1,333,546.80x = 2,000,579.40 × 386,948.40
  4. Step 4: Simplify right side
    1,333,546.80x = 774,120,997,902.96
  5. Step 5: Solve for x
    x = 774,120,997,902.96/1,333,546.80
  6. Step 6: Final answer
    x = 580,497.81

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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.