Home / 1,827,686.80-2,740,775.64-690,255.46

Finding the Fourth Proportional to 1,827,686.80, 2,740,775.64 and 690,255.46

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Solution

The fourth proportional to 1,827,686.80, 2,740,775.64 and 690,255.46 is: 1,035,098.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,686.80 : 2,740,775.64 = 690,255.46 : x
  2. Step 2: Convert to fraction form
    1,827,686.80/2,740,775.64 = 690,255.46/x
  3. Step 3: Cross multiply
    1,827,686.80x = 2,740,775.64 × 690,255.46
  4. Step 4: Simplify right side
    1,827,686.80x = 1,891,835,350,144.99
  5. Step 5: Solve for x
    x = 1,891,835,350,144.99/1,827,686.80
  6. Step 6: Final answer
    x = 1,035,098.22

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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.