Home / 1,333,438.88-1,840,153.85-782,042.18

Finding the Fourth Proportional to 1,333,438.88, 1,840,153.85 and 782,042.18

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Solution

The fourth proportional to 1,333,438.88, 1,840,153.85 and 782,042.18 is: 1,079,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,438.88 : 1,840,153.85 = 782,042.18 : x
  2. Step 2: Convert to fraction form
    1,333,438.88/1,840,153.85 = 782,042.18/x
  3. Step 3: Cross multiply
    1,333,438.88x = 1,840,153.85 × 782,042.18
  4. Step 4: Simplify right side
    1,333,438.88x = 1,439,077,929,079.57
  5. Step 5: Solve for x
    x = 1,439,077,929,079.57/1,333,438.88
  6. Step 6: Final answer
    x = 1,079,223.02

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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.