Home / 3,123,669.60-4,685,504.40-879,807.60

Finding the Fourth Proportional to 3,123,669.60, 4,685,504.40 and 879,807.60

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Solution

The fourth proportional to 3,123,669.60, 4,685,504.40 and 879,807.60 is: 1,319,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,669.60 : 4,685,504.40 = 879,807.60 : x
  2. Step 2: Convert to fraction form
    3,123,669.60/4,685,504.40 = 879,807.60/x
  3. Step 3: Cross multiply
    3,123,669.60x = 4,685,504.40 × 879,807.60
  4. Step 4: Simplify right side
    3,123,669.60x = 4,122,342,380,953.44
  5. Step 5: Solve for x
    x = 4,122,342,380,953.44/3,123,669.60
  6. Step 6: Final answer
    x = 1,319,711.40

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Similar ratio
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1.5x scale

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.