Home / 1,087,687.56-1,501,147.23-657,970.77

Finding the Fourth Proportional to 1,087,687.56, 1,501,147.23 and 657,970.77

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Solution

The fourth proportional to 1,087,687.56, 1,501,147.23 and 657,970.77 is: 908,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,687.56 : 1,501,147.23 = 657,970.77 : x
  2. Step 2: Convert to fraction form
    1,087,687.56/1,501,147.23 = 657,970.77/x
  3. Step 3: Cross multiply
    1,087,687.56x = 1,501,147.23 × 657,970.77
  4. Step 4: Simplify right side
    1,087,687.56x = 987,710,998,806.47
  5. Step 5: Solve for x
    x = 987,710,998,806.47/1,087,687.56
  6. Step 6: Final answer
    x = 908,083.38

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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.