Home / 810,181.80-1,214,495.10-630,167.40

Finding the Fourth Proportional to 810,181.80, 1,214,495.10 and 630,167.40

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Solution

The fourth proportional to 810,181.80, 1,214,495.10 and 630,167.40 is: 944,646.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,181.80 : 1,214,495.10 = 630,167.40 : x
  2. Step 2: Convert to fraction form
    810,181.80/1,214,495.10 = 630,167.40/x
  3. Step 3: Cross multiply
    810,181.80x = 1,214,495.10 × 630,167.40
  4. Step 4: Simplify right side
    810,181.80x = 765,335,219,479.74
  5. Step 5: Solve for x
    x = 765,335,219,479.74/810,181.80
  6. Step 6: Final answer
    x = 944,646.28

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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.