Home / 1,557,738.80-2,336,435.40-435,921.20

Finding the Fourth Proportional to 1,557,738.80, 2,336,435.40 and 435,921.20

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Solution

The fourth proportional to 1,557,738.80, 2,336,435.40 and 435,921.20 is: 653,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,738.80 : 2,336,435.40 = 435,921.20 : x
  2. Step 2: Convert to fraction form
    1,557,738.80/2,336,435.40 = 435,921.20/x
  3. Step 3: Cross multiply
    1,557,738.80x = 2,336,435.40 × 435,921.20
  4. Step 4: Simplify right side
    1,557,738.80x = 1,018,501,723,290.48
  5. Step 5: Solve for x
    x = 1,018,501,723,290.48/1,557,738.80
  6. Step 6: Final answer
    x = 653,833.44

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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.