Home / 1,377,366-2,064,865.73-478,690.98

Finding the Fourth Proportional to 1,377,366, 2,064,865.73 and 478,690.98

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Solution

The fourth proportional to 1,377,366, 2,064,865.73 and 478,690.98 is: 717,625.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,366 : 2,064,865.73 = 478,690.98 : x
  2. Step 2: Convert to fraction form
    1,377,366/2,064,865.73 = 478,690.98/x
  3. Step 3: Cross multiply
    1,377,366x = 2,064,865.73 × 478,690.98
  4. Step 4: Simplify right side
    1,377,366x = 988,432,597,468.66
  5. Step 5: Solve for x
    x = 988,432,597,468.66/1,377,366
  6. Step 6: Final answer
    x = 717,625.23

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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.