Home / 1,915,286.40-2,871,617.40-904,892.40

Finding the Fourth Proportional to 1,915,286.40, 2,871,617.40 and 904,892.40

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Solution

The fourth proportional to 1,915,286.40, 2,871,617.40 and 904,892.40 is: 1,356,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,286.40 : 2,871,617.40 = 904,892.40 : x
  2. Step 2: Convert to fraction form
    1,915,286.40/2,871,617.40 = 904,892.40/x
  3. Step 3: Cross multiply
    1,915,286.40x = 2,871,617.40 × 904,892.40
  4. Step 4: Simplify right side
    1,915,286.40x = 2,598,504,760,967.76
  5. Step 5: Solve for x
    x = 2,598,504,760,967.76/1,915,286.40
  6. Step 6: Final answer
    x = 1,356,718.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.