Home / 1,128,782.89-1,557,720.41-676,073.89

Finding the Fourth Proportional to 1,128,782.89, 1,557,720.41 and 676,073.89

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Solution

The fourth proportional to 1,128,782.89, 1,557,720.41 and 676,073.89 is: 932,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,782.89 : 1,557,720.41 = 676,073.89 : x
  2. Step 2: Convert to fraction form
    1,128,782.89/1,557,720.41 = 676,073.89/x
  3. Step 3: Cross multiply
    1,128,782.89x = 1,557,720.41 × 676,073.89
  4. Step 4: Simplify right side
    1,128,782.89x = 1,053,134,097,121.09
  5. Step 5: Solve for x
    x = 1,053,134,097,121.09/1,128,782.89
  6. Step 6: Final answer
    x = 932,981.98

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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.