Home / 1,431,405.93-1,975,149.09-887,343.51

Finding the Fourth Proportional to 1,431,405.93, 1,975,149.09 and 887,343.51

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Solution

The fourth proportional to 1,431,405.93, 1,975,149.09 and 887,343.51 is: 1,224,415.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,405.93 : 1,975,149.09 = 887,343.51 : x
  2. Step 2: Convert to fraction form
    1,431,405.93/1,975,149.09 = 887,343.51/x
  3. Step 3: Cross multiply
    1,431,405.93x = 1,975,149.09 × 887,343.51
  4. Step 4: Simplify right side
    1,431,405.93x = 1,752,635,726,293.91
  5. Step 5: Solve for x
    x = 1,752,635,726,293.91/1,431,405.93
  6. Step 6: Final answer
    x = 1,224,415.58

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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.