Home / 1,465,307.40-2,195,045.10-1,289,958.60

Finding the Fourth Proportional to 1,465,307.40, 2,195,045.10 and 1,289,958.60

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Solution

The fourth proportional to 1,465,307.40, 2,195,045.10 and 1,289,958.60 is: 1,932,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,307.40 : 2,195,045.10 = 1,289,958.60 : x
  2. Step 2: Convert to fraction form
    1,465,307.40/2,195,045.10 = 1,289,958.60/x
  3. Step 3: Cross multiply
    1,465,307.40x = 2,195,045.10 × 1,289,958.60
  4. Step 4: Simplify right side
    1,465,307.40x = 2,831,517,304,132.86
  5. Step 5: Solve for x
    x = 2,831,517,304,132.86/1,465,307.40
  6. Step 6: Final answer
    x = 1,932,370.85

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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.