Home / 821,188.47-1,125,009.48-790,486.16

Finding the Fourth Proportional to 821,188.47, 1,125,009.48 and 790,486.16

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Solution

The fourth proportional to 821,188.47, 1,125,009.48 and 790,486.16 is: 1,082,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,188.47 : 1,125,009.48 = 790,486.16 : x
  2. Step 2: Convert to fraction form
    821,188.47/1,125,009.48 = 790,486.16/x
  3. Step 3: Cross multiply
    821,188.47x = 1,125,009.48 × 790,486.16
  4. Step 4: Simplify right side
    821,188.47x = 889,304,418,183.75
  5. Step 5: Solve for x
    x = 889,304,418,183.75/821,188.47
  6. Step 6: Final answer
    x = 1,082,948.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.