Home / 1,343,842.40-2,015,763.60-397,222.40

Finding the Fourth Proportional to 1,343,842.40, 2,015,763.60 and 397,222.40

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Solution

The fourth proportional to 1,343,842.40, 2,015,763.60 and 397,222.40 is: 595,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,842.40 : 2,015,763.60 = 397,222.40 : x
  2. Step 2: Convert to fraction form
    1,343,842.40/2,015,763.60 = 397,222.40/x
  3. Step 3: Cross multiply
    1,343,842.40x = 2,015,763.60 × 397,222.40
  4. Step 4: Simplify right side
    1,343,842.40x = 800,706,455,024.64
  5. Step 5: Solve for x
    x = 800,706,455,024.64/1,343,842.40
  6. Step 6: Final answer
    x = 595,833.60

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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.