Home / 1,271,715.10-1,907,565.09-325,084.30

Finding the Fourth Proportional to 1,271,715.10, 1,907,565.09 and 325,084.30

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Solution

The fourth proportional to 1,271,715.10, 1,907,565.09 and 325,084.30 is: 487,624.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,715.10 : 1,907,565.09 = 325,084.30 : x
  2. Step 2: Convert to fraction form
    1,271,715.10/1,907,565.09 = 325,084.30/x
  3. Step 3: Cross multiply
    1,271,715.10x = 1,907,565.09 × 325,084.30
  4. Step 4: Simplify right side
    1,271,715.10x = 620,119,461,987.09
  5. Step 5: Solve for x
    x = 620,119,461,987.09/1,271,715.10
  6. Step 6: Final answer
    x = 487,624.52

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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.