Home / 871,396.20-1,303,595.10-754,367.40

Finding the Fourth Proportional to 871,396.20, 1,303,595.10 and 754,367.40

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Solution

The fourth proportional to 871,396.20, 1,303,595.10 and 754,367.40 is: 1,128,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,396.20 : 1,303,595.10 = 754,367.40 : x
  2. Step 2: Convert to fraction form
    871,396.20/1,303,595.10 = 754,367.40/x
  3. Step 3: Cross multiply
    871,396.20x = 1,303,595.10 × 754,367.40
  4. Step 4: Simplify right side
    871,396.20x = 983,389,646,239.74
  5. Step 5: Solve for x
    x = 983,389,646,239.74/871,396.20
  6. Step 6: Final answer
    x = 1,128,521.84

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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.