Home / 1,557,442.89-2,338,156.94-1,322,279.64

Finding the Fourth Proportional to 1,557,442.89, 2,338,156.94 and 1,322,279.64

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Solution

The fourth proportional to 1,557,442.89, 2,338,156.94 and 1,322,279.64 is: 1,985,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,442.89 : 2,338,156.94 = 1,322,279.64 : x
  2. Step 2: Convert to fraction form
    1,557,442.89/2,338,156.94 = 1,322,279.64/x
  3. Step 3: Cross multiply
    1,557,442.89x = 2,338,156.94 × 1,322,279.64
  4. Step 4: Simplify right side
    1,557,442.89x = 3,091,697,310,275.30
  5. Step 5: Solve for x
    x = 3,091,697,310,275.30/1,557,442.89
  6. Step 6: Final answer
    x = 1,985,111.19

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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.