Home / 1,507,721.48-2,261,231.76-442,477.52

Finding the Fourth Proportional to 1,507,721.48, 2,261,231.76 and 442,477.52

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Solution

The fourth proportional to 1,507,721.48, 2,261,231.76 and 442,477.52 is: 663,613.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,721.48 : 2,261,231.76 = 442,477.52 : x
  2. Step 2: Convert to fraction form
    1,507,721.48/2,261,231.76 = 442,477.52/x
  3. Step 3: Cross multiply
    1,507,721.48x = 2,261,231.76 × 442,477.52
  4. Step 4: Simplify right side
    1,507,721.48x = 1,000,544,221,310.04
  5. Step 5: Solve for x
    x = 1,000,544,221,310.04/1,507,721.48
  6. Step 6: Final answer
    x = 663,613.43

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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.