Home / 1,129,373.37-1,558,537.92-620,108.55

Finding the Fourth Proportional to 1,129,373.37, 1,558,537.92 and 620,108.55

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Solution

The fourth proportional to 1,129,373.37, 1,558,537.92 and 620,108.55 is: 855,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,373.37 : 1,558,537.92 = 620,108.55 : x
  2. Step 2: Convert to fraction form
    1,129,373.37/1,558,537.92 = 620,108.55/x
  3. Step 3: Cross multiply
    1,129,373.37x = 1,558,537.92 × 620,108.55
  4. Step 4: Simplify right side
    1,129,373.37x = 966,462,689,691.22
  5. Step 5: Solve for x
    x = 966,462,689,691.22/1,129,373.37
  6. Step 6: Final answer
    x = 855,751.26

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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.