Home / 1,210,864.80-1,816,297.20-1,119,885.60

Finding the Fourth Proportional to 1,210,864.80, 1,816,297.20 and 1,119,885.60

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Solution

The fourth proportional to 1,210,864.80, 1,816,297.20 and 1,119,885.60 is: 1,679,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,864.80 : 1,816,297.20 = 1,119,885.60 : x
  2. Step 2: Convert to fraction form
    1,210,864.80/1,816,297.20 = 1,119,885.60/x
  3. Step 3: Cross multiply
    1,210,864.80x = 1,816,297.20 × 1,119,885.60
  4. Step 4: Simplify right side
    1,210,864.80x = 2,034,045,079,600.32
  5. Step 5: Solve for x
    x = 2,034,045,079,600.32/1,210,864.80
  6. Step 6: Final answer
    x = 1,679,828.40

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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.