Home / 1,564,216.78-2,158,619.16-848,824.78

Finding the Fourth Proportional to 1,564,216.78, 2,158,619.16 and 848,824.78

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Solution

The fourth proportional to 1,564,216.78, 2,158,619.16 and 848,824.78 is: 1,171,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,216.78 : 2,158,619.16 = 848,824.78 : x
  2. Step 2: Convert to fraction form
    1,564,216.78/2,158,619.16 = 848,824.78/x
  3. Step 3: Cross multiply
    1,564,216.78x = 2,158,619.16 × 848,824.78
  4. Step 4: Simplify right side
    1,564,216.78x = 1,832,289,433,590.79
  5. Step 5: Solve for x
    x = 1,832,289,433,590.79/1,564,216.78
  6. Step 6: Final answer
    x = 1,171,378.20

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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.