Home / 1,218,042.40-1,826,890.80-376,679.20

Finding the Fourth Proportional to 1,218,042.40, 1,826,890.80 and 376,679.20

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Solution

The fourth proportional to 1,218,042.40, 1,826,890.80 and 376,679.20 is: 564,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,042.40 : 1,826,890.80 = 376,679.20 : x
  2. Step 2: Convert to fraction form
    1,218,042.40/1,826,890.80 = 376,679.20/x
  3. Step 3: Cross multiply
    1,218,042.40x = 1,826,890.80 × 376,679.20
  4. Step 4: Simplify right side
    1,218,042.40x = 688,151,765,031.36
  5. Step 5: Solve for x
    x = 688,151,765,031.36/1,218,042.40
  6. Step 6: Final answer
    x = 564,965.36

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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.