Home / 1,115,987.99-1,540,183.83-632,501.24

Finding the Fourth Proportional to 1,115,987.99, 1,540,183.83 and 632,501.24

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Solution

The fourth proportional to 1,115,987.99, 1,540,183.83 and 632,501.24 is: 872,919.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,987.99 : 1,540,183.83 = 632,501.24 : x
  2. Step 2: Convert to fraction form
    1,115,987.99/1,540,183.83 = 632,501.24/x
  3. Step 3: Cross multiply
    1,115,987.99x = 1,540,183.83 × 632,501.24
  4. Step 4: Simplify right side
    1,115,987.99x = 974,168,182,302.95
  5. Step 5: Solve for x
    x = 974,168,182,302.95/1,115,987.99
  6. Step 6: Final answer
    x = 872,919.95

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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.