Home / 1,630,878.45-2,445,348.55-620,074.39

Finding the Fourth Proportional to 1,630,878.45, 2,445,348.55 and 620,074.39

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Solution

The fourth proportional to 1,630,878.45, 2,445,348.55 and 620,074.39 is: 929,743.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,878.45 : 2,445,348.55 = 620,074.39 : x
  2. Step 2: Convert to fraction form
    1,630,878.45/2,445,348.55 = 620,074.39/x
  3. Step 3: Cross multiply
    1,630,878.45x = 2,445,348.55 × 620,074.39
  4. Step 4: Simplify right side
    1,630,878.45x = 1,516,298,010,478.63
  5. Step 5: Solve for x
    x = 1,516,298,010,478.63/1,630,878.45
  6. Step 6: Final answer
    x = 929,743.12

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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.