Home / 1,124,953.68-1,687,757.31-405,281.71

Finding the Fourth Proportional to 1,124,953.68, 1,687,757.31 and 405,281.71

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Solution

The fourth proportional to 1,124,953.68, 1,687,757.31 and 405,281.71 is: 608,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,953.68 : 1,687,757.31 = 405,281.71 : x
  2. Step 2: Convert to fraction form
    1,124,953.68/1,687,757.31 = 405,281.71/x
  3. Step 3: Cross multiply
    1,124,953.68x = 1,687,757.31 × 405,281.71
  4. Step 4: Simplify right side
    1,124,953.68x = 684,017,170,771.50
  5. Step 5: Solve for x
    x = 684,017,170,771.50/1,124,953.68
  6. Step 6: Final answer
    x = 608,040.30

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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.