Home / 1,818,618-2,728,036.35-556,456.56

Finding the Fourth Proportional to 1,818,618, 2,728,036.35 and 556,456.56

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Solution

The fourth proportional to 1,818,618, 2,728,036.35 and 556,456.56 is: 834,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,618 : 2,728,036.35 = 556,456.56 : x
  2. Step 2: Convert to fraction form
    1,818,618/2,728,036.35 = 556,456.56/x
  3. Step 3: Cross multiply
    1,818,618x = 2,728,036.35 × 556,456.56
  4. Step 4: Simplify right side
    1,818,618x = 1,518,033,722,875.96
  5. Step 5: Solve for x
    x = 1,518,033,722,875.96/1,818,618
  6. Step 6: Final answer
    x = 834,718.30

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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.