Home / 1,078,260.60-1,617,114.06-319,922.64

Finding the Fourth Proportional to 1,078,260.60, 1,617,114.06 and 319,922.64

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Solution

The fourth proportional to 1,078,260.60, 1,617,114.06 and 319,922.64 is: 479,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,260.60 : 1,617,114.06 = 319,922.64 : x
  2. Step 2: Convert to fraction form
    1,078,260.60/1,617,114.06 = 319,922.64/x
  3. Step 3: Cross multiply
    1,078,260.60x = 1,617,114.06 × 319,922.64
  4. Step 4: Simplify right side
    1,078,260.60x = 517,351,399,256.32
  5. Step 5: Solve for x
    x = 517,351,399,256.32/1,078,260.60
  6. Step 6: Final answer
    x = 479,801.82

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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.