Home / 1,038,165.30-1,556,956.35-328,410.90

Finding the Fourth Proportional to 1,038,165.30, 1,556,956.35 and 328,410.90

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Solution

The fourth proportional to 1,038,165.30, 1,556,956.35 and 328,410.90 is: 492,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,165.30 : 1,556,956.35 = 328,410.90 : x
  2. Step 2: Convert to fraction form
    1,038,165.30/1,556,956.35 = 328,410.90/x
  3. Step 3: Cross multiply
    1,038,165.30x = 1,556,956.35 × 328,410.90
  4. Step 4: Simplify right side
    1,038,165.30x = 511,321,436,164.22
  5. Step 5: Solve for x
    x = 511,321,436,164.22/1,038,165.30
  6. Step 6: Final answer
    x = 492,524.11

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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.