Home / 1,631,349.86-2,443,297.32-779,018.55

Finding the Fourth Proportional to 1,631,349.86, 2,443,297.32 and 779,018.55

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Solution

The fourth proportional to 1,631,349.86, 2,443,297.32 and 779,018.55 is: 1,166,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,349.86 : 2,443,297.32 = 779,018.55 : x
  2. Step 2: Convert to fraction form
    1,631,349.86/2,443,297.32 = 779,018.55/x
  3. Step 3: Cross multiply
    1,631,349.86x = 2,443,297.32 × 779,018.55
  4. Step 4: Simplify right side
    1,631,349.86x = 1,903,373,926,415.72
  5. Step 5: Solve for x
    x = 1,903,373,926,415.72/1,631,349.86
  6. Step 6: Final answer
    x = 1,166,747.84

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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.