Home / 1,054,001.28-1,581,004.08-493,429.44

Finding the Fourth Proportional to 1,054,001.28, 1,581,004.08 and 493,429.44

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Solution

The fourth proportional to 1,054,001.28, 1,581,004.08 and 493,429.44 is: 740,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,001.28 : 1,581,004.08 = 493,429.44 : x
  2. Step 2: Convert to fraction form
    1,054,001.28/1,581,004.08 = 493,429.44/x
  3. Step 3: Cross multiply
    1,054,001.28x = 1,581,004.08 × 493,429.44
  4. Step 4: Simplify right side
    1,054,001.28x = 780,113,957,832.12
  5. Step 5: Solve for x
    x = 780,113,957,832.12/1,054,001.28
  6. Step 6: Final answer
    x = 740,145.17

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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.