Home / 1,431,727.56-1,975,797.54-787,152.24

Finding the Fourth Proportional to 1,431,727.56, 1,975,797.54 and 787,152.24

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Solution

The fourth proportional to 1,431,727.56, 1,975,797.54 and 787,152.24 is: 1,086,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,727.56 : 1,975,797.54 = 787,152.24 : x
  2. Step 2: Convert to fraction form
    1,431,727.56/1,975,797.54 = 787,152.24/x
  3. Step 3: Cross multiply
    1,431,727.56x = 1,975,797.54 × 787,152.24
  4. Step 4: Simplify right side
    1,431,727.56x = 1,555,253,459,397.49
  5. Step 5: Solve for x
    x = 1,555,253,459,397.49/1,431,727.56
  6. Step 6: Final answer
    x = 1,086,277.52

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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.