Home / 1,627,665.60-2,440,807.20-786,475.20

Finding the Fourth Proportional to 1,627,665.60, 2,440,807.20 and 786,475.20

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Solution

The fourth proportional to 1,627,665.60, 2,440,807.20 and 786,475.20 is: 1,179,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,665.60 : 2,440,807.20 = 786,475.20 : x
  2. Step 2: Convert to fraction form
    1,627,665.60/2,440,807.20 = 786,475.20/x
  3. Step 3: Cross multiply
    1,627,665.60x = 2,440,807.20 × 786,475.20
  4. Step 4: Simplify right side
    1,627,665.60x = 1,919,634,330,781.44
  5. Step 5: Solve for x
    x = 1,919,634,330,781.44/1,627,665.60
  6. Step 6: Final answer
    x = 1,179,378.82

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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.