Home / 1,226,574.80-1,839,862.20-1,218,701.60

Finding the Fourth Proportional to 1,226,574.80, 1,839,862.20 and 1,218,701.60

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Solution

The fourth proportional to 1,226,574.80, 1,839,862.20 and 1,218,701.60 is: 1,828,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,574.80 : 1,839,862.20 = 1,218,701.60 : x
  2. Step 2: Convert to fraction form
    1,226,574.80/1,839,862.20 = 1,218,701.60/x
  3. Step 3: Cross multiply
    1,226,574.80x = 1,839,862.20 × 1,218,701.60
  4. Step 4: Simplify right side
    1,226,574.80x = 2,242,243,006,919.52
  5. Step 5: Solve for x
    x = 2,242,243,006,919.52/1,226,574.80
  6. Step 6: Final answer
    x = 1,828,052.40

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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.