Home / 1,326,896.64-1,991,115.90-558,338.04

Finding the Fourth Proportional to 1,326,896.64, 1,991,115.90 and 558,338.04

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Solution

The fourth proportional to 1,326,896.64, 1,991,115.90 and 558,338.04 is: 837,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,896.64 : 1,991,115.90 = 558,338.04 : x
  2. Step 2: Convert to fraction form
    1,326,896.64/1,991,115.90 = 558,338.04/x
  3. Step 3: Cross multiply
    1,326,896.64x = 1,991,115.90 × 558,338.04
  4. Step 4: Simplify right side
    1,326,896.64x = 1,111,715,749,018.84
  5. Step 5: Solve for x
    x = 1,111,715,749,018.84/1,326,896.64
  6. Step 6: Final answer
    x = 837,831.46

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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.