Home / 1,353,928.20-1,869,270.48-871,332.02

Finding the Fourth Proportional to 1,353,928.20, 1,869,270.48 and 871,332.02

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Solution

The fourth proportional to 1,353,928.20, 1,869,270.48 and 871,332.02 is: 1,202,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,928.20 : 1,869,270.48 = 871,332.02 : x
  2. Step 2: Convert to fraction form
    1,353,928.20/1,869,270.48 = 871,332.02/x
  3. Step 3: Cross multiply
    1,353,928.20x = 1,869,270.48 × 871,332.02
  4. Step 4: Simplify right side
    1,353,928.20x = 1,628,755,223,264.77
  5. Step 5: Solve for x
    x = 1,628,755,223,264.77/1,353,928.20
  6. Step 6: Final answer
    x = 1,202,984.93

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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.