Home / 1,630,310.28-2,445,951.42-778,021.80

Finding the Fourth Proportional to 1,630,310.28, 2,445,951.42 and 778,021.80

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Solution

The fourth proportional to 1,630,310.28, 2,445,951.42 and 778,021.80 is: 1,167,264.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,310.28 : 2,445,951.42 = 778,021.80 : x
  2. Step 2: Convert to fraction form
    1,630,310.28/2,445,951.42 = 778,021.80/x
  3. Step 3: Cross multiply
    1,630,310.28x = 2,445,951.42 × 778,021.80
  4. Step 4: Simplify right side
    1,630,310.28x = 1,903,003,526,500.96
  5. Step 5: Solve for x
    x = 1,903,003,526,500.96/1,630,310.28
  6. Step 6: Final answer
    x = 1,167,264.63

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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.