Home / 1,719,489.40-2,579,234.10-668,865.40

Finding the Fourth Proportional to 1,719,489.40, 2,579,234.10 and 668,865.40

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Solution

The fourth proportional to 1,719,489.40, 2,579,234.10 and 668,865.40 is: 1,003,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,489.40 : 2,579,234.10 = 668,865.40 : x
  2. Step 2: Convert to fraction form
    1,719,489.40/2,579,234.10 = 668,865.40/x
  3. Step 3: Cross multiply
    1,719,489.40x = 2,579,234.10 × 668,865.40
  4. Step 4: Simplify right side
    1,719,489.40x = 1,725,160,447,990.14
  5. Step 5: Solve for x
    x = 1,725,160,447,990.14/1,719,489.40
  6. Step 6: Final answer
    x = 1,003,298.10

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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.