Home / 1,974,752-2,962,137.72-478,844

Finding the Fourth Proportional to 1,974,752, 2,962,137.72 and 478,844

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Solution

The fourth proportional to 1,974,752, 2,962,137.72 and 478,844 is: 718,268.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,752 : 2,962,137.72 = 478,844 : x
  2. Step 2: Convert to fraction form
    1,974,752/2,962,137.72 = 478,844/x
  3. Step 3: Cross multiply
    1,974,752x = 2,962,137.72 × 478,844
  4. Step 4: Simplify right side
    1,974,752x = 1,418,401,874,395.68
  5. Step 5: Solve for x
    x = 1,418,401,874,395.68/1,974,752
  6. Step 6: Final answer
    x = 718,268.36

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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.