Home / 1,327,613.40-1,991,420.10-907,709.40

Finding the Fourth Proportional to 1,327,613.40, 1,991,420.10 and 907,709.40

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Solution

The fourth proportional to 1,327,613.40, 1,991,420.10 and 907,709.40 is: 1,361,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,613.40 : 1,991,420.10 = 907,709.40 : x
  2. Step 2: Convert to fraction form
    1,327,613.40/1,991,420.10 = 907,709.40/x
  3. Step 3: Cross multiply
    1,327,613.40x = 1,991,420.10 × 907,709.40
  4. Step 4: Simplify right side
    1,327,613.40x = 1,807,630,744,118.94
  5. Step 5: Solve for x
    x = 1,807,630,744,118.94/1,327,613.40
  6. Step 6: Final answer
    x = 1,361,564.10

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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.