Home / 1,087,676.70-1,501,132.23-657,959.90

Finding the Fourth Proportional to 1,087,676.70, 1,501,132.23 and 657,959.90

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Solution

The fourth proportional to 1,087,676.70, 1,501,132.23 and 657,959.90 is: 908,068.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,676.70 : 1,501,132.23 = 657,959.90 : x
  2. Step 2: Convert to fraction form
    1,087,676.70/1,501,132.23 = 657,959.90/x
  3. Step 3: Cross multiply
    1,087,676.70x = 1,501,132.23 × 657,959.90
  4. Step 4: Simplify right side
    1,087,676.70x = 987,684,804,431.92
  5. Step 5: Solve for x
    x = 987,684,804,431.92/1,087,676.70
  6. Step 6: Final answer
    x = 908,068.37

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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.