Home / 890,261.03-1,227,882.35-766,293.03

Finding the Fourth Proportional to 890,261.03, 1,227,882.35 and 766,293.03

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Solution

The fourth proportional to 890,261.03, 1,227,882.35 and 766,293.03 is: 1,056,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,261.03 : 1,227,882.35 = 766,293.03 : x
  2. Step 2: Convert to fraction form
    890,261.03/1,227,882.35 = 766,293.03/x
  3. Step 3: Cross multiply
    890,261.03x = 1,227,882.35 × 766,293.03
  4. Step 4: Simplify right side
    890,261.03x = 940,917,686,465.02
  5. Step 5: Solve for x
    x = 940,917,686,465.02/890,261.03
  6. Step 6: Final answer
    x = 1,056,900.90

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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.