Home / 1,107,867.18-1,528,603.08-699,477.72

Finding the Fourth Proportional to 1,107,867.18, 1,528,603.08 and 699,477.72

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Solution

The fourth proportional to 1,107,867.18, 1,528,603.08 and 699,477.72 is: 965,119.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,867.18 : 1,528,603.08 = 699,477.72 : x
  2. Step 2: Convert to fraction form
    1,107,867.18/1,528,603.08 = 699,477.72/x
  3. Step 3: Cross multiply
    1,107,867.18x = 1,528,603.08 × 699,477.72
  4. Step 4: Simplify right side
    1,107,867.18x = 1,069,223,797,183.38
  5. Step 5: Solve for x
    x = 1,069,223,797,183.38/1,107,867.18
  6. Step 6: Final answer
    x = 965,119.12

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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.