Home / 1,974,456.40-2,961,684.72-478,548.40

Finding the Fourth Proportional to 1,974,456.40, 2,961,684.72 and 478,548.40

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Solution

The fourth proportional to 1,974,456.40, 2,961,684.72 and 478,548.40 is: 717,822.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,456.40 : 2,961,684.72 = 478,548.40 : x
  2. Step 2: Convert to fraction form
    1,974,456.40/2,961,684.72 = 478,548.40/x
  3. Step 3: Cross multiply
    1,974,456.40x = 2,961,684.72 × 478,548.40
  4. Step 4: Simplify right side
    1,974,456.40x = 1,417,309,484,060.45
  5. Step 5: Solve for x
    x = 1,417,309,484,060.45/1,974,456.40
  6. Step 6: Final answer
    x = 717,822.63

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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.