Home / 1,454,980.69-2,178,744.58-1,214,496.66

Finding the Fourth Proportional to 1,454,980.69, 2,178,744.58 and 1,214,496.66

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Solution

The fourth proportional to 1,454,980.69, 2,178,744.58 and 1,214,496.66 is: 1,818,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,980.69 : 2,178,744.58 = 1,214,496.66 : x
  2. Step 2: Convert to fraction form
    1,454,980.69/2,178,744.58 = 1,214,496.66/x
  3. Step 3: Cross multiply
    1,454,980.69x = 2,178,744.58 × 1,214,496.66
  4. Step 4: Simplify right side
    1,454,980.69x = 2,646,078,015,403.10
  5. Step 5: Solve for x
    x = 2,646,078,015,403.10/1,454,980.69
  6. Step 6: Final answer
    x = 1,818,634.46

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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.