Home / 1,006,963.92-1,389,640.29-620,002.58

Finding the Fourth Proportional to 1,006,963.92, 1,389,640.29 and 620,002.58

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Solution

The fourth proportional to 1,006,963.92, 1,389,640.29 and 620,002.58 is: 855,622.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,963.92 : 1,389,640.29 = 620,002.58 : x
  2. Step 2: Convert to fraction form
    1,006,963.92/1,389,640.29 = 620,002.58/x
  3. Step 3: Cross multiply
    1,006,963.92x = 1,389,640.29 × 620,002.58
  4. Step 4: Simplify right side
    1,006,963.92x = 861,580,571,151.63
  5. Step 5: Solve for x
    x = 861,580,571,151.63/1,006,963.92
  6. Step 6: Final answer
    x = 855,622.08

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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.