Home / 1,681,140.64-2,521,440.29-482,790.39

Finding the Fourth Proportional to 1,681,140.64, 2,521,440.29 and 482,790.39

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Solution

The fourth proportional to 1,681,140.64, 2,521,440.29 and 482,790.39 is: 724,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,140.64 : 2,521,440.29 = 482,790.39 : x
  2. Step 2: Convert to fraction form
    1,681,140.64/2,521,440.29 = 482,790.39/x
  3. Step 3: Cross multiply
    1,681,140.64x = 2,521,440.29 × 482,790.39
  4. Step 4: Simplify right side
    1,681,140.64x = 1,217,327,146,905.49
  5. Step 5: Solve for x
    x = 1,217,327,146,905.49/1,681,140.64
  6. Step 6: Final answer
    x = 724,107.86

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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.