Home / 1,974,744-2,962,125.72-478,836

Finding the Fourth Proportional to 1,974,744, 2,962,125.72 and 478,836

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Solution

The fourth proportional to 1,974,744, 2,962,125.72 and 478,836 is: 718,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,744 : 2,962,125.72 = 478,836 : x
  2. Step 2: Convert to fraction form
    1,974,744/2,962,125.72 = 478,836/x
  3. Step 3: Cross multiply
    1,974,744x = 2,962,125.72 × 478,836
  4. Step 4: Simplify right side
    1,974,744x = 1,418,372,431,261.92
  5. Step 5: Solve for x
    x = 1,418,372,431,261.92/1,974,744
  6. Step 6: Final answer
    x = 718,256.36

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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.