Home / 871,402.20-1,303,604.10-754,373.40

Finding the Fourth Proportional to 871,402.20, 1,303,604.10 and 754,373.40

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Solution

The fourth proportional to 871,402.20, 1,303,604.10 and 754,373.40 is: 1,128,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,402.20 : 1,303,604.10 = 754,373.40 : x
  2. Step 2: Convert to fraction form
    871,402.20/1,303,604.10 = 754,373.40/x
  3. Step 3: Cross multiply
    871,402.20x = 1,303,604.10 × 754,373.40
  4. Step 4: Simplify right side
    871,402.20x = 983,404,257,170.94
  5. Step 5: Solve for x
    x = 983,404,257,170.94/871,402.20
  6. Step 6: Final answer
    x = 1,128,530.84

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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.