Home / 1,038,198.36-1,557,539.72-355,090.50

Finding the Fourth Proportional to 1,038,198.36, 1,557,539.72 and 355,090.50

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Solution

The fourth proportional to 1,038,198.36, 1,557,539.72 and 355,090.50 is: 532,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,198.36 : 1,557,539.72 = 355,090.50 : x
  2. Step 2: Convert to fraction form
    1,038,198.36/1,557,539.72 = 355,090.50/x
  3. Step 3: Cross multiply
    1,038,198.36x = 1,557,539.72 × 355,090.50
  4. Step 4: Simplify right side
    1,038,198.36x = 553,067,557,500.80
  5. Step 5: Solve for x
    x = 553,067,557,500.80/1,038,198.36
  6. Step 6: Final answer
    x = 532,718.58

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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.