Home / 1,330,990.40-1,996,822.40-371,445.84

Finding the Fourth Proportional to 1,330,990.40, 1,996,822.40 and 371,445.84

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Solution

The fourth proportional to 1,330,990.40, 1,996,822.40 and 371,445.84 is: 557,262.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,990.40 : 1,996,822.40 = 371,445.84 : x
  2. Step 2: Convert to fraction form
    1,330,990.40/1,996,822.40 = 371,445.84/x
  3. Step 3: Cross multiply
    1,330,990.40x = 1,996,822.40 × 371,445.84
  4. Step 4: Simplify right side
    1,330,990.40x = 741,711,373,698.82
  5. Step 5: Solve for x
    x = 741,711,373,698.82/1,330,990.40
  6. Step 6: Final answer
    x = 557,262.75

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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.