Home / 1,120,001.40-1,679,850.90-446,578.20

Finding the Fourth Proportional to 1,120,001.40, 1,679,850.90 and 446,578.20

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Solution

The fourth proportional to 1,120,001.40, 1,679,850.90 and 446,578.20 is: 669,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,001.40 : 1,679,850.90 = 446,578.20 : x
  2. Step 2: Convert to fraction form
    1,120,001.40/1,679,850.90 = 446,578.20/x
  3. Step 3: Cross multiply
    1,120,001.40x = 1,679,850.90 × 446,578.20
  4. Step 4: Simplify right side
    1,120,001.40x = 750,184,791,190.38
  5. Step 5: Solve for x
    x = 750,184,791,190.38/1,120,001.40
  6. Step 6: Final answer
    x = 669,807.01

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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.