Home / 1,689,431.03-2,331,396.27-915,042.61

Finding the Fourth Proportional to 1,689,431.03, 2,331,396.27 and 915,042.61

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Solution

The fourth proportional to 1,689,431.03, 2,331,396.27 and 915,042.61 is: 1,262,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,431.03 : 2,331,396.27 = 915,042.61 : x
  2. Step 2: Convert to fraction form
    1,689,431.03/2,331,396.27 = 915,042.61/x
  3. Step 3: Cross multiply
    1,689,431.03x = 2,331,396.27 × 915,042.61
  4. Step 4: Simplify right side
    1,689,431.03x = 2,133,326,927,845.06
  5. Step 5: Solve for x
    x = 2,133,326,927,845.06/1,689,431.03
  6. Step 6: Final answer
    x = 1,262,748.75

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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.