Home / 1,377,361.97-2,064,859.68-478,686.95

Finding the Fourth Proportional to 1,377,361.97, 2,064,859.68 and 478,686.95

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Solution

The fourth proportional to 1,377,361.97, 2,064,859.68 and 478,686.95 is: 717,619.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,361.97 : 2,064,859.68 = 478,686.95 : x
  2. Step 2: Convert to fraction form
    1,377,361.97/2,064,859.68 = 478,686.95/x
  3. Step 3: Cross multiply
    1,377,361.97x = 2,064,859.68 × 478,686.95
  4. Step 4: Simplify right side
    1,377,361.97x = 988,421,378,918.56
  5. Step 5: Solve for x
    x = 988,421,378,918.56/1,377,361.97
  6. Step 6: Final answer
    x = 717,619.19

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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.