Home / 1,081,125.28-1,621,001.04-948,272.32

Finding the Fourth Proportional to 1,081,125.28, 1,621,001.04 and 948,272.32

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Solution

The fourth proportional to 1,081,125.28, 1,621,001.04 and 948,272.32 is: 1,421,806.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,125.28 : 1,621,001.04 = 948,272.32 : x
  2. Step 2: Convert to fraction form
    1,081,125.28/1,621,001.04 = 948,272.32/x
  3. Step 3: Cross multiply
    1,081,125.28x = 1,621,001.04 × 948,272.32
  4. Step 4: Simplify right side
    1,081,125.28x = 1,537,150,416,923.21
  5. Step 5: Solve for x
    x = 1,537,150,416,923.21/1,081,125.28
  6. Step 6: Final answer
    x = 1,421,806.01

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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.