Home / 1,630,308.78-2,445,461.55-1,069,212.06

Finding the Fourth Proportional to 1,630,308.78, 2,445,461.55 and 1,069,212.06

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Solution

The fourth proportional to 1,630,308.78, 2,445,461.55 and 1,069,212.06 is: 1,603,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,308.78 : 2,445,461.55 = 1,069,212.06 : x
  2. Step 2: Convert to fraction form
    1,630,308.78/2,445,461.55 = 1,069,212.06/x
  3. Step 3: Cross multiply
    1,630,308.78x = 2,445,461.55 × 1,069,212.06
  4. Step 4: Simplify right side
    1,630,308.78x = 2,614,716,981,526.29
  5. Step 5: Solve for x
    x = 2,614,716,981,526.29/1,630,308.78
  6. Step 6: Final answer
    x = 1,603,817.03

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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.