Home / 1,377,369.20-2,064,870.51-478,694.18

Finding the Fourth Proportional to 1,377,369.20, 2,064,870.51 and 478,694.18

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Solution

The fourth proportional to 1,377,369.20, 2,064,870.51 and 478,694.18 is: 717,630.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,369.20 : 2,064,870.51 = 478,694.18 : x
  2. Step 2: Convert to fraction form
    1,377,369.20/2,064,870.51 = 478,694.18/x
  3. Step 3: Cross multiply
    1,377,369.20x = 2,064,870.51 × 478,694.18
  4. Step 4: Simplify right side
    1,377,369.20x = 988,441,485,266.28
  5. Step 5: Solve for x
    x = 988,441,485,266.28/1,377,369.20
  6. Step 6: Final answer
    x = 717,630.02

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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.