Home / 1,974,618-2,961,936.72-478,710

Finding the Fourth Proportional to 1,974,618, 2,961,936.72 and 478,710

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Solution

The fourth proportional to 1,974,618, 2,961,936.72 and 478,710 is: 718,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,618 : 2,961,936.72 = 478,710 : x
  2. Step 2: Convert to fraction form
    1,974,618/2,961,936.72 = 478,710/x
  3. Step 3: Cross multiply
    1,974,618x = 2,961,936.72 × 478,710
  4. Step 4: Simplify right side
    1,974,618x = 1,417,908,727,231.20
  5. Step 5: Solve for x
    x = 1,417,908,727,231.20/1,974,618
  6. Step 6: Final answer
    x = 718,067.36

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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.