Home / 1,427,398.84-2,141,099.88-480,690.28

Finding the Fourth Proportional to 1,427,398.84, 2,141,099.88 and 480,690.28

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Solution

The fourth proportional to 1,427,398.84, 2,141,099.88 and 480,690.28 is: 721,035.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,398.84 : 2,141,099.88 = 480,690.28 : x
  2. Step 2: Convert to fraction form
    1,427,398.84/2,141,099.88 = 480,690.28/x
  3. Step 3: Cross multiply
    1,427,398.84x = 2,141,099.88 × 480,690.28
  4. Step 4: Simplify right side
    1,427,398.84x = 1,029,205,900,825.17
  5. Step 5: Solve for x
    x = 1,029,205,900,825.17/1,427,398.84
  6. Step 6: Final answer
    x = 721,035.97

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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.