Home / 1,110,773.80-1,666,938.30-480,140.20

Finding the Fourth Proportional to 1,110,773.80, 1,666,938.30 and 480,140.20

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Solution

The fourth proportional to 1,110,773.80, 1,666,938.30 and 480,140.20 is: 720,546.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,773.80 : 1,666,938.30 = 480,140.20 : x
  2. Step 2: Convert to fraction form
    1,110,773.80/1,666,938.30 = 480,140.20/x
  3. Step 3: Cross multiply
    1,110,773.80x = 1,666,938.30 × 480,140.20
  4. Step 4: Simplify right side
    1,110,773.80x = 800,364,088,749.66
  5. Step 5: Solve for x
    x = 800,364,088,749.66/1,110,773.80
  6. Step 6: Final answer
    x = 720,546.42

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1.5x scale

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.