Home / 917,069.40-1,375,604.10-581,146.20

Finding the Fourth Proportional to 917,069.40, 1,375,604.10 and 581,146.20

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Solution

The fourth proportional to 917,069.40, 1,375,604.10 and 581,146.20 is: 871,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,069.40 : 1,375,604.10 = 581,146.20 : x
  2. Step 2: Convert to fraction form
    917,069.40/1,375,604.10 = 581,146.20/x
  3. Step 3: Cross multiply
    917,069.40x = 1,375,604.10 × 581,146.20
  4. Step 4: Simplify right side
    917,069.40x = 799,427,095,419.42
  5. Step 5: Solve for x
    x = 799,427,095,419.42/917,069.40
  6. Step 6: Final answer
    x = 871,719.30

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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.