Home / 1,538,154.24-2,305,715.04-540,182.40

Finding the Fourth Proportional to 1,538,154.24, 2,305,715.04 and 540,182.40

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Solution

The fourth proportional to 1,538,154.24, 2,305,715.04 and 540,182.40 is: 809,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,154.24 : 2,305,715.04 = 540,182.40 : x
  2. Step 2: Convert to fraction form
    1,538,154.24/2,305,715.04 = 540,182.40/x
  3. Step 3: Cross multiply
    1,538,154.24x = 2,305,715.04 × 540,182.40
  4. Step 4: Simplify right side
    1,538,154.24x = 1,245,506,684,023.30
  5. Step 5: Solve for x
    x = 1,245,506,684,023.30/1,538,154.24
  6. Step 6: Final answer
    x = 809,741.09

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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.