Home / 1,540,856.59-2,125,865.72-887,469.55

Finding the Fourth Proportional to 1,540,856.59, 2,125,865.72 and 887,469.55

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Solution

The fourth proportional to 1,540,856.59, 2,125,865.72 and 887,469.55 is: 1,224,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,856.59 : 2,125,865.72 = 887,469.55 : x
  2. Step 2: Convert to fraction form
    1,540,856.59/2,125,865.72 = 887,469.55/x
  3. Step 3: Cross multiply
    1,540,856.59x = 2,125,865.72 × 887,469.55
  4. Step 4: Simplify right side
    1,540,856.59x = 1,886,641,090,792.84
  5. Step 5: Solve for x
    x = 1,886,641,090,792.84/1,540,856.59
  6. Step 6: Final answer
    x = 1,224,410.57

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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.