Home / 1,079,505.68-1,619,818.91-440,278.38

Finding the Fourth Proportional to 1,079,505.68, 1,619,818.91 and 440,278.38

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Solution

The fourth proportional to 1,079,505.68, 1,619,818.91 and 440,278.38 is: 660,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,505.68 : 1,619,818.91 = 440,278.38 : x
  2. Step 2: Convert to fraction form
    1,079,505.68/1,619,818.91 = 440,278.38/x
  3. Step 3: Cross multiply
    1,079,505.68x = 1,619,818.91 × 440,278.38
  4. Step 4: Simplify right side
    1,079,505.68x = 713,171,243,386.77
  5. Step 5: Solve for x
    x = 713,171,243,386.77/1,079,505.68
  6. Step 6: Final answer
    x = 660,646.13

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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.