Home / 1,708,391.20-2,562,586.80-446,346.40

Finding the Fourth Proportional to 1,708,391.20, 2,562,586.80 and 446,346.40

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Solution

The fourth proportional to 1,708,391.20, 2,562,586.80 and 446,346.40 is: 669,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,391.20 : 2,562,586.80 = 446,346.40 : x
  2. Step 2: Convert to fraction form
    1,708,391.20/2,562,586.80 = 446,346.40/x
  3. Step 3: Cross multiply
    1,708,391.20x = 2,562,586.80 × 446,346.40
  4. Step 4: Simplify right side
    1,708,391.20x = 1,143,801,392,867.52
  5. Step 5: Solve for x
    x = 1,143,801,392,867.52/1,708,391.20
  6. Step 6: Final answer
    x = 669,519.60

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Double scale
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Similar ratio
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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.