Home / 1,100,298.38-1,518,484.79-616,894.83

Finding the Fourth Proportional to 1,100,298.38, 1,518,484.79 and 616,894.83

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Solution

The fourth proportional to 1,100,298.38, 1,518,484.79 and 616,894.83 is: 851,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,298.38 : 1,518,484.79 = 616,894.83 : x
  2. Step 2: Convert to fraction form
    1,100,298.38/1,518,484.79 = 616,894.83/x
  3. Step 3: Cross multiply
    1,100,298.38x = 1,518,484.79 × 616,894.83
  4. Step 4: Simplify right side
    1,100,298.38x = 936,745,417,926.87
  5. Step 5: Solve for x
    x = 936,745,417,926.87/1,100,298.38
  6. Step 6: Final answer
    x = 851,355.81

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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.