Home / 1,427,376.84-2,141,066.88-480,668.28

Finding the Fourth Proportional to 1,427,376.84, 2,141,066.88 and 480,668.28

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Solution

The fourth proportional to 1,427,376.84, 2,141,066.88 and 480,668.28 is: 721,002.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,376.84 : 2,141,066.88 = 480,668.28 : x
  2. Step 2: Convert to fraction form
    1,427,376.84/2,141,066.88 = 480,668.28/x
  3. Step 3: Cross multiply
    1,427,376.84x = 2,141,066.88 × 480,668.28
  4. Step 4: Simplify right side
    1,427,376.84x = 1,029,142,934,574.57
  5. Step 5: Solve for x
    x = 1,029,142,934,574.57/1,427,376.84
  6. Step 6: Final answer
    x = 721,002.97

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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.