Home / 1,110,861.20-1,666,291.80-732,947.60

Finding the Fourth Proportional to 1,110,861.20, 1,666,291.80 and 732,947.60

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Solution

The fourth proportional to 1,110,861.20, 1,666,291.80 and 732,947.60 is: 1,099,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,861.20 : 1,666,291.80 = 732,947.60 : x
  2. Step 2: Convert to fraction form
    1,110,861.20/1,666,291.80 = 732,947.60/x
  3. Step 3: Cross multiply
    1,110,861.20x = 1,666,291.80 × 732,947.60
  4. Step 4: Simplify right side
    1,110,861.20x = 1,221,304,575,709.68
  5. Step 5: Solve for x
    x = 1,221,304,575,709.68/1,110,861.20
  6. Step 6: Final answer
    x = 1,099,421.40

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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.