Home / 1,427,377.84-2,141,068.38-480,669.28

Finding the Fourth Proportional to 1,427,377.84, 2,141,068.38 and 480,669.28

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Solution

The fourth proportional to 1,427,377.84, 2,141,068.38 and 480,669.28 is: 721,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,377.84 : 2,141,068.38 = 480,669.28 : x
  2. Step 2: Convert to fraction form
    1,427,377.84/2,141,068.38 = 480,669.28/x
  3. Step 3: Cross multiply
    1,427,377.84x = 2,141,068.38 × 480,669.28
  4. Step 4: Simplify right side
    1,427,377.84x = 1,029,145,796,645.37
  5. Step 5: Solve for x
    x = 1,029,145,796,645.37/1,427,377.84
  6. Step 6: Final answer
    x = 721,004.47

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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.