Home / 1,465,735.80-2,198,603.70-1,213,793.40

Finding the Fourth Proportional to 1,465,735.80, 2,198,603.70 and 1,213,793.40

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Solution

The fourth proportional to 1,465,735.80, 2,198,603.70 and 1,213,793.40 is: 1,820,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,735.80 : 2,198,603.70 = 1,213,793.40 : x
  2. Step 2: Convert to fraction form
    1,465,735.80/2,198,603.70 = 1,213,793.40/x
  3. Step 3: Cross multiply
    1,465,735.80x = 2,198,603.70 × 1,213,793.40
  4. Step 4: Simplify right side
    1,465,735.80x = 2,668,650,660,275.58
  5. Step 5: Solve for x
    x = 2,668,650,660,275.58/1,465,735.80
  6. Step 6: Final answer
    x = 1,820,690.10

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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.