Home / 1,128,782.40-1,557,719.73-676,073.40

Finding the Fourth Proportional to 1,128,782.40, 1,557,719.73 and 676,073.40

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Solution

The fourth proportional to 1,128,782.40, 1,557,719.73 and 676,073.40 is: 932,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,782.40 : 1,557,719.73 = 676,073.40 : x
  2. Step 2: Convert to fraction form
    1,128,782.40/1,557,719.73 = 676,073.40/x
  3. Step 3: Cross multiply
    1,128,782.40x = 1,557,719.73 × 676,073.40
  4. Step 4: Simplify right side
    1,128,782.40x = 1,053,132,874,108.18
  5. Step 5: Solve for x
    x = 1,053,132,874,108.18/1,128,782.40
  6. Step 6: Final answer
    x = 932,981.30

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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.