Home / 1,121,324.10-1,681,986.15-1,121,324.10

Finding the Fourth Proportional to 1,121,324.10, 1,681,986.15 and 1,121,324.10

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Solution

The fourth proportional to 1,121,324.10, 1,681,986.15 and 1,121,324.10 is: 1,681,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,324.10 : 1,681,986.15 = 1,121,324.10 : x
  2. Step 2: Convert to fraction form
    1,121,324.10/1,681,986.15 = 1,121,324.10/x
  3. Step 3: Cross multiply
    1,121,324.10x = 1,681,986.15 × 1,121,324.10
  4. Step 4: Simplify right side
    1,121,324.10x = 1,886,051,605,861.22
  5. Step 5: Solve for x
    x = 1,886,051,605,861.22/1,121,324.10
  6. Step 6: Final answer
    x = 1,681,986.15

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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.