Home / 1,129,336.94-1,558,488.03-620,072.30

Finding the Fourth Proportional to 1,129,336.94, 1,558,488.03 and 620,072.30

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Solution

The fourth proportional to 1,129,336.94, 1,558,488.03 and 620,072.30 is: 855,701.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,336.94 : 1,558,488.03 = 620,072.30 : x
  2. Step 2: Convert to fraction form
    1,129,336.94/1,558,488.03 = 620,072.30/x
  3. Step 3: Cross multiply
    1,129,336.94x = 1,558,488.03 × 620,072.30
  4. Step 4: Simplify right side
    1,129,336.94x = 966,375,257,284.57
  5. Step 5: Solve for x
    x = 966,375,257,284.57/1,129,336.94
  6. Step 6: Final answer
    x = 855,701.45

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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.