Home / 1,282,210.20-1,921,760.10-571,483.80

Finding the Fourth Proportional to 1,282,210.20, 1,921,760.10 and 571,483.80

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Solution

The fourth proportional to 1,282,210.20, 1,921,760.10 and 571,483.80 is: 856,532.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,210.20 : 1,921,760.10 = 571,483.80 : x
  2. Step 2: Convert to fraction form
    1,282,210.20/1,921,760.10 = 571,483.80/x
  3. Step 3: Cross multiply
    1,282,210.20x = 1,921,760.10 × 571,483.80
  4. Step 4: Simplify right side
    1,282,210.20x = 1,098,254,764,636.38
  5. Step 5: Solve for x
    x = 1,098,254,764,636.38/1,282,210.20
  6. Step 6: Final answer
    x = 856,532.54

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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.