Home / 1,590,448.77-2,194,795.17-865,279.90

Finding the Fourth Proportional to 1,590,448.77, 2,194,795.17 and 865,279.90

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Solution

The fourth proportional to 1,590,448.77, 2,194,795.17 and 865,279.90 is: 1,194,073.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,448.77 : 2,194,795.17 = 865,279.90 : x
  2. Step 2: Convert to fraction form
    1,590,448.77/2,194,795.17 = 865,279.90/x
  3. Step 3: Cross multiply
    1,590,448.77x = 2,194,795.17 × 865,279.90
  4. Step 4: Simplify right side
    1,590,448.77x = 1,899,112,147,961.58
  5. Step 5: Solve for x
    x = 1,899,112,147,961.58/1,590,448.77
  6. Step 6: Final answer
    x = 1,194,073.13

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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.