Home / 1,974,456.80-2,961,685.36-478,548.80

Finding the Fourth Proportional to 1,974,456.80, 2,961,685.36 and 478,548.80

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Solution

The fourth proportional to 1,974,456.80, 2,961,685.36 and 478,548.80 is: 717,823.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,456.80 : 2,961,685.36 = 478,548.80 : x
  2. Step 2: Convert to fraction form
    1,974,456.80/2,961,685.36 = 478,548.80/x
  3. Step 3: Cross multiply
    1,974,456.80x = 2,961,685.36 × 478,548.80
  4. Step 4: Simplify right side
    1,974,456.80x = 1,417,310,975,005.57
  5. Step 5: Solve for x
    x = 1,417,310,975,005.57/1,974,456.80
  6. Step 6: Final answer
    x = 717,823.24

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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.