Home / 1,159,039.15-1,599,569.79-642,959.44

Finding the Fourth Proportional to 1,159,039.15, 1,599,569.79 and 642,959.44

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Solution

The fourth proportional to 1,159,039.15, 1,599,569.79 and 642,959.44 is: 887,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,039.15 : 1,599,569.79 = 642,959.44 : x
  2. Step 2: Convert to fraction form
    1,159,039.15/1,599,569.79 = 642,959.44/x
  3. Step 3: Cross multiply
    1,159,039.15x = 1,599,569.79 × 642,959.44
  4. Step 4: Simplify right side
    1,159,039.15x = 1,028,458,496,419.32
  5. Step 5: Solve for x
    x = 1,028,458,496,419.32/1,159,039.15
  6. Step 6: Final answer
    x = 887,337.15

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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.