Home / 1,198,478.81-1,653,890.93-654,614.94

Finding the Fourth Proportional to 1,198,478.81, 1,653,890.93 and 654,614.94

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Solution

The fourth proportional to 1,198,478.81, 1,653,890.93 and 654,614.94 is: 903,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,478.81 : 1,653,890.93 = 654,614.94 : x
  2. Step 2: Convert to fraction form
    1,198,478.81/1,653,890.93 = 654,614.94/x
  3. Step 3: Cross multiply
    1,198,478.81x = 1,653,890.93 × 654,614.94
  4. Step 4: Simplify right side
    1,198,478.81x = 1,082,661,708,635.42
  5. Step 5: Solve for x
    x = 1,082,661,708,635.42/1,198,478.81
  6. Step 6: Final answer
    x = 903,363.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.