Home / 1,120,009.40-1,679,862.90-446,586.20

Finding the Fourth Proportional to 1,120,009.40, 1,679,862.90 and 446,586.20

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Solution

The fourth proportional to 1,120,009.40, 1,679,862.90 and 446,586.20 is: 669,819.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,009.40 : 1,679,862.90 = 446,586.20 : x
  2. Step 2: Convert to fraction form
    1,120,009.40/1,679,862.90 = 446,586.20/x
  3. Step 3: Cross multiply
    1,120,009.40x = 1,679,862.90 × 446,586.20
  4. Step 4: Simplify right side
    1,120,009.40x = 750,203,589,031.98
  5. Step 5: Solve for x
    x = 750,203,589,031.98/1,120,009.40
  6. Step 6: Final answer
    x = 669,819.01

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Double scale
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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.