Home / 887,147.42-1,222,988.74-632,055.74

Finding the Fourth Proportional to 887,147.42, 1,222,988.74 and 632,055.74

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Solution

The fourth proportional to 887,147.42, 1,222,988.74 and 632,055.74 is: 871,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,147.42 : 1,222,988.74 = 632,055.74 : x
  2. Step 2: Convert to fraction form
    887,147.42/1,222,988.74 = 632,055.74/x
  3. Step 3: Cross multiply
    887,147.42x = 1,222,988.74 × 632,055.74
  4. Step 4: Simplify right side
    887,147.42x = 772,997,053,072.37
  5. Step 5: Solve for x
    x = 772,997,053,072.37/887,147.42
  6. Step 6: Final answer
    x = 871,328.75

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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.