Home / 1,115,980.93-1,540,174.09-632,494.18

Finding the Fourth Proportional to 1,115,980.93, 1,540,174.09 and 632,494.18

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Solution

The fourth proportional to 1,115,980.93, 1,540,174.09 and 632,494.18 is: 872,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,980.93 : 1,540,174.09 = 632,494.18 : x
  2. Step 2: Convert to fraction form
    1,115,980.93/1,540,174.09 = 632,494.18/x
  3. Step 3: Cross multiply
    1,115,980.93x = 1,540,174.09 × 632,494.18
  4. Step 4: Simplify right side
    1,115,980.93x = 974,151,139,147.37
  5. Step 5: Solve for x
    x = 974,151,139,147.37/1,115,980.93
  6. Step 6: Final answer
    x = 872,910.20

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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.