Home / 1,126,717.32-1,688,938.74-706,288.44

Finding the Fourth Proportional to 1,126,717.32, 1,688,938.74 and 706,288.44

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Solution

The fourth proportional to 1,126,717.32, 1,688,938.74 and 706,288.44 is: 1,058,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,717.32 : 1,688,938.74 = 706,288.44 : x
  2. Step 2: Convert to fraction form
    1,126,717.32/1,688,938.74 = 706,288.44/x
  3. Step 3: Cross multiply
    1,126,717.32x = 1,688,938.74 × 706,288.44
  4. Step 4: Simplify right side
    1,126,717.32x = 1,192,877,907,930.17
  5. Step 5: Solve for x
    x = 1,192,877,907,930.17/1,126,717.32
  6. Step 6: Final answer
    x = 1,058,719.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.