Home / 1,587,743.71-2,191,131.14-899,415.33

Finding the Fourth Proportional to 1,587,743.71, 2,191,131.14 and 899,415.33

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Solution

The fourth proportional to 1,587,743.71, 2,191,131.14 and 899,415.33 is: 1,241,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,743.71 : 2,191,131.14 = 899,415.33 : x
  2. Step 2: Convert to fraction form
    1,587,743.71/2,191,131.14 = 899,415.33/x
  3. Step 3: Cross multiply
    1,587,743.71x = 2,191,131.14 × 899,415.33
  4. Step 4: Simplify right side
    1,587,743.71x = 1,970,736,924,642.56
  5. Step 5: Solve for x
    x = 1,970,736,924,642.56/1,587,743.71
  6. Step 6: Final answer
    x = 1,241,218.54

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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.