Home / 1,126,718.32-1,688,940.24-706,289.44

Finding the Fourth Proportional to 1,126,718.32, 1,688,940.24 and 706,289.44

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Solution

The fourth proportional to 1,126,718.32, 1,688,940.24 and 706,289.44 is: 1,058,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,718.32 : 1,688,940.24 = 706,289.44 : x
  2. Step 2: Convert to fraction form
    1,126,718.32/1,688,940.24 = 706,289.44/x
  3. Step 3: Cross multiply
    1,126,718.32x = 1,688,940.24 × 706,289.44
  4. Step 4: Simplify right side
    1,126,718.32x = 1,192,880,656,303.07
  5. Step 5: Solve for x
    x = 1,192,880,656,303.07/1,126,718.32
  6. Step 6: Final answer
    x = 1,058,721.27

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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.