Home / 1,167,820.10-1,611,592.17-631,276.10

Finding the Fourth Proportional to 1,167,820.10, 1,611,592.17 and 631,276.10

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Solution

The fourth proportional to 1,167,820.10, 1,611,592.17 and 631,276.10 is: 871,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,820.10 : 1,611,592.17 = 631,276.10 : x
  2. Step 2: Convert to fraction form
    1,167,820.10/1,611,592.17 = 631,276.10/x
  3. Step 3: Cross multiply
    1,167,820.10x = 1,611,592.17 × 631,276.10
  4. Step 4: Simplify right side
    1,167,820.10x = 1,017,359,619,868.14
  5. Step 5: Solve for x
    x = 1,017,359,619,868.14/1,167,820.10
  6. Step 6: Final answer
    x = 871,161.25

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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.