Home / 1,812,020.40-2,718,031.08-532,627.92

Finding the Fourth Proportional to 1,812,020.40, 2,718,031.08 and 532,627.92

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Solution

The fourth proportional to 1,812,020.40, 2,718,031.08 and 532,627.92 is: 798,942.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,020.40 : 2,718,031.08 = 532,627.92 : x
  2. Step 2: Convert to fraction form
    1,812,020.40/2,718,031.08 = 532,627.92/x
  3. Step 3: Cross multiply
    1,812,020.40x = 2,718,031.08 × 532,627.92
  4. Step 4: Simplify right side
    1,812,020.40x = 1,447,699,240,635.75
  5. Step 5: Solve for x
    x = 1,447,699,240,635.75/1,812,020.40
  6. Step 6: Final answer
    x = 798,942.02

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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.