Home / 1,974,419.70-2,961,629.56-478,511.70

Finding the Fourth Proportional to 1,974,419.70, 2,961,629.56 and 478,511.70

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Solution

The fourth proportional to 1,974,419.70, 2,961,629.56 and 478,511.70 is: 717,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,419.70 : 2,961,629.56 = 478,511.70 : x
  2. Step 2: Convert to fraction form
    1,974,419.70/2,961,629.56 = 478,511.70/x
  3. Step 3: Cross multiply
    1,974,419.70x = 2,961,629.56 × 478,511.70
  4. Step 4: Simplify right side
    1,974,419.70x = 1,417,174,395,525.85
  5. Step 5: Solve for x
    x = 1,417,174,395,525.85/1,974,419.70
  6. Step 6: Final answer
    x = 717,767.55

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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.