Home / 1,038,686.46-1,557,789.12-328,582.14

Finding the Fourth Proportional to 1,038,686.46, 1,557,789.12 and 328,582.14

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Solution

The fourth proportional to 1,038,686.46, 1,557,789.12 and 328,582.14 is: 492,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,686.46 : 1,557,789.12 = 328,582.14 : x
  2. Step 2: Convert to fraction form
    1,038,686.46/1,557,789.12 = 328,582.14/x
  3. Step 3: Cross multiply
    1,038,686.46x = 1,557,789.12 × 328,582.14
  4. Step 4: Simplify right side
    1,038,686.46x = 511,861,682,718.32
  5. Step 5: Solve for x
    x = 511,861,682,718.32/1,038,686.46
  6. Step 6: Final answer
    x = 492,797.11

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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.