Home / 1,100,687.70-1,518,305.40-692,142.60

Finding the Fourth Proportional to 1,100,687.70, 1,518,305.40 and 692,142.60

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Solution

The fourth proportional to 1,100,687.70, 1,518,305.40 and 692,142.60 is: 954,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,687.70 : 1,518,305.40 = 692,142.60 : x
  2. Step 2: Convert to fraction form
    1,100,687.70/1,518,305.40 = 692,142.60/x
  3. Step 3: Cross multiply
    1,100,687.70x = 1,518,305.40 × 692,142.60
  4. Step 4: Simplify right side
    1,100,687.70x = 1,050,883,847,150.04
  5. Step 5: Solve for x
    x = 1,050,883,847,150.04/1,100,687.70
  6. Step 6: Final answer
    x = 954,752.06

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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.