Home / 1,119,834.54-1,545,305.04-636,332.58

Finding the Fourth Proportional to 1,119,834.54, 1,545,305.04 and 636,332.58

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Solution

The fourth proportional to 1,119,834.54, 1,545,305.04 and 636,332.58 is: 878,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,834.54 : 1,545,305.04 = 636,332.58 : x
  2. Step 2: Convert to fraction form
    1,119,834.54/1,545,305.04 = 636,332.58/x
  3. Step 3: Cross multiply
    1,119,834.54x = 1,545,305.04 × 636,332.58
  4. Step 4: Simplify right side
    1,119,834.54x = 983,327,942,990.20
  5. Step 5: Solve for x
    x = 983,327,942,990.20/1,119,834.54
  6. Step 6: Final answer
    x = 878,101.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.