Home / 1,431,781.77-1,975,741.97-842,988.26

Finding the Fourth Proportional to 1,431,781.77, 1,975,741.97 and 842,988.26

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Solution

The fourth proportional to 1,431,781.77, 1,975,741.97 and 842,988.26 is: 1,163,254.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,781.77 : 1,975,741.97 = 842,988.26 : x
  2. Step 2: Convert to fraction form
    1,431,781.77/1,975,741.97 = 842,988.26/x
  3. Step 3: Cross multiply
    1,431,781.77x = 1,975,741.97 × 842,988.26
  4. Step 4: Simplify right side
    1,431,781.77x = 1,665,527,281,284.33
  5. Step 5: Solve for x
    x = 1,665,527,281,284.33/1,431,781.77
  6. Step 6: Final answer
    x = 1,163,254.98

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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.