Home / 1,564,865.35-2,158,435.68-1,100,703.64

Finding the Fourth Proportional to 1,564,865.35, 2,158,435.68 and 1,100,703.64

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Solution

The fourth proportional to 1,564,865.35, 2,158,435.68 and 1,100,703.64 is: 1,518,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,865.35 : 2,158,435.68 = 1,100,703.64 : x
  2. Step 2: Convert to fraction form
    1,564,865.35/2,158,435.68 = 1,100,703.64/x
  3. Step 3: Cross multiply
    1,564,865.35x = 2,158,435.68 × 1,100,703.64
  4. Step 4: Simplify right side
    1,564,865.35x = 2,375,798,004,205.21
  5. Step 5: Solve for x
    x = 2,375,798,004,205.21/1,564,865.35
  6. Step 6: Final answer
    x = 1,518,212.42

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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.