Home / 946,862.80-1,420,294.20-843,643.60

Finding the Fourth Proportional to 946,862.80, 1,420,294.20 and 843,643.60

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Solution

The fourth proportional to 946,862.80, 1,420,294.20 and 843,643.60 is: 1,265,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,862.80 : 1,420,294.20 = 843,643.60 : x
  2. Step 2: Convert to fraction form
    946,862.80/1,420,294.20 = 843,643.60/x
  3. Step 3: Cross multiply
    946,862.80x = 1,420,294.20 × 843,643.60
  4. Step 4: Simplify right side
    946,862.80x = 1,198,222,111,947.12
  5. Step 5: Solve for x
    x = 1,198,222,111,947.12/946,862.80
  6. Step 6: Final answer
    x = 1,265,465.40

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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.