Home / 1,484,912.40-2,049,177.84-840,320.88

Finding the Fourth Proportional to 1,484,912.40, 2,049,177.84 and 840,320.88

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Solution

The fourth proportional to 1,484,912.40, 2,049,177.84 and 840,320.88 is: 1,159,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,912.40 : 2,049,177.84 = 840,320.88 : x
  2. Step 2: Convert to fraction form
    1,484,912.40/2,049,177.84 = 840,320.88/x
  3. Step 3: Cross multiply
    1,484,912.40x = 2,049,177.84 × 840,320.88
  4. Step 4: Simplify right side
    1,484,912.40x = 1,721,966,925,785.30
  5. Step 5: Solve for x
    x = 1,721,966,925,785.30/1,484,912.40
  6. Step 6: Final answer
    x = 1,159,642.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.