Home / 1,279,040.70-1,765,029.51-706,079.10

Finding the Fourth Proportional to 1,279,040.70, 1,765,029.51 and 706,079.10

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Solution

The fourth proportional to 1,279,040.70, 1,765,029.51 and 706,079.10 is: 974,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,040.70 : 1,765,029.51 = 706,079.10 : x
  2. Step 2: Convert to fraction form
    1,279,040.70/1,765,029.51 = 706,079.10/x
  3. Step 3: Cross multiply
    1,279,040.70x = 1,765,029.51 × 706,079.10
  4. Step 4: Simplify right side
    1,279,040.70x = 1,246,250,447,894.24
  5. Step 5: Solve for x
    x = 1,246,250,447,894.24/1,279,040.70
  6. Step 6: Final answer
    x = 974,363.40

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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.