Home / 903,292.59-1,243,415.03-780,729.06

Finding the Fourth Proportional to 903,292.59, 1,243,415.03 and 780,729.06

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Solution

The fourth proportional to 903,292.59, 1,243,415.03 and 780,729.06 is: 1,074,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,292.59 : 1,243,415.03 = 780,729.06 : x
  2. Step 2: Convert to fraction form
    903,292.59/1,243,415.03 = 780,729.06/x
  3. Step 3: Cross multiply
    903,292.59x = 1,243,415.03 × 780,729.06
  4. Step 4: Simplify right side
    903,292.59x = 970,770,243,658.13
  5. Step 5: Solve for x
    x = 970,770,243,658.13/903,292.59
  6. Step 6: Final answer
    x = 1,074,701.88

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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.