Home / 1,241,628.20-1,862,004.90-442,935.80

Finding the Fourth Proportional to 1,241,628.20, 1,862,004.90 and 442,935.80

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Solution

The fourth proportional to 1,241,628.20, 1,862,004.90 and 442,935.80 is: 664,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,628.20 : 1,862,004.90 = 442,935.80 : x
  2. Step 2: Convert to fraction form
    1,241,628.20/1,862,004.90 = 442,935.80/x
  3. Step 3: Cross multiply
    1,241,628.20x = 1,862,004.90 × 442,935.80
  4. Step 4: Simplify right side
    1,241,628.20x = 824,748,629,985.42
  5. Step 5: Solve for x
    x = 824,748,629,985.42/1,241,628.20
  6. Step 6: Final answer
    x = 664,247.66

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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.