Home / 1,557,715.20-2,325,304.80-1,368,758.40

Finding the Fourth Proportional to 1,557,715.20, 2,325,304.80 and 1,368,758.40

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Solution

The fourth proportional to 1,557,715.20, 2,325,304.80 and 1,368,758.40 is: 2,043,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,715.20 : 2,325,304.80 = 1,368,758.40 : x
  2. Step 2: Convert to fraction form
    1,557,715.20/2,325,304.80 = 1,368,758.40/x
  3. Step 3: Cross multiply
    1,557,715.20x = 2,325,304.80 × 1,368,758.40
  4. Step 4: Simplify right side
    1,557,715.20x = 3,182,780,477,560.32
  5. Step 5: Solve for x
    x = 3,182,780,477,560.32/1,557,715.20
  6. Step 6: Final answer
    x = 2,043,236.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.