Home / 1,521,148.16-2,281,573.67-399,217.16

Finding the Fourth Proportional to 1,521,148.16, 2,281,573.67 and 399,217.16

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Solution

The fourth proportional to 1,521,148.16, 2,281,573.67 and 399,217.16 is: 598,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,148.16 : 2,281,573.67 = 399,217.16 : x
  2. Step 2: Convert to fraction form
    1,521,148.16/2,281,573.67 = 399,217.16/x
  3. Step 3: Cross multiply
    1,521,148.16x = 2,281,573.67 × 399,217.16
  4. Step 4: Simplify right side
    1,521,148.16x = 910,843,347,464.22
  5. Step 5: Solve for x
    x = 910,843,347,464.22/1,521,148.16
  6. Step 6: Final answer
    x = 598,786.74

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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.