Home / 1,302,922.80-1,954,384.20-1,208,444.40

Finding the Fourth Proportional to 1,302,922.80, 1,954,384.20 and 1,208,444.40

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Solution

The fourth proportional to 1,302,922.80, 1,954,384.20 and 1,208,444.40 is: 1,812,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,922.80 : 1,954,384.20 = 1,208,444.40 : x
  2. Step 2: Convert to fraction form
    1,302,922.80/1,954,384.20 = 1,208,444.40/x
  3. Step 3: Cross multiply
    1,302,922.80x = 1,954,384.20 × 1,208,444.40
  4. Step 4: Simplify right side
    1,302,922.80x = 2,361,764,641,938.48
  5. Step 5: Solve for x
    x = 2,361,764,641,938.48/1,302,922.80
  6. Step 6: Final answer
    x = 1,812,666.60

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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.