Home / 1,087,959.31-1,501,155.51-658,272.13

Finding the Fourth Proportional to 1,087,959.31, 1,501,155.51 and 658,272.13

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Solution

The fourth proportional to 1,087,959.31, 1,501,155.51 and 658,272.13 is: 908,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,959.31 : 1,501,155.51 = 658,272.13 : x
  2. Step 2: Convert to fraction form
    1,087,959.31/1,501,155.51 = 658,272.13/x
  3. Step 3: Cross multiply
    1,087,959.31x = 1,501,155.51 × 658,272.13
  4. Step 4: Simplify right side
    1,087,959.31x = 988,168,835,028.94
  5. Step 5: Solve for x
    x = 988,168,835,028.94/1,087,959.31
  6. Step 6: Final answer
    x = 908,277.38

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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.