Home / 1,109,384.19-1,662,814.96-469,288.47

Finding the Fourth Proportional to 1,109,384.19, 1,662,814.96 and 469,288.47

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Solution

The fourth proportional to 1,109,384.19, 1,662,814.96 and 469,288.47 is: 703,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,384.19 : 1,662,814.96 = 469,288.47 : x
  2. Step 2: Convert to fraction form
    1,109,384.19/1,662,814.96 = 469,288.47/x
  3. Step 3: Cross multiply
    1,109,384.19x = 1,662,814.96 × 469,288.47
  4. Step 4: Simplify right side
    1,109,384.19x = 780,339,888,471.51
  5. Step 5: Solve for x
    x = 780,339,888,471.51/1,109,384.19
  6. Step 6: Final answer
    x = 703,399.14

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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.