Home / 1,143,472.16-1,715,366.62-385,530.58

Finding the Fourth Proportional to 1,143,472.16, 1,715,366.62 and 385,530.58

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Solution

The fourth proportional to 1,143,472.16, 1,715,366.62 and 385,530.58 is: 578,349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,472.16 : 1,715,366.62 = 385,530.58 : x
  2. Step 2: Convert to fraction form
    1,143,472.16/1,715,366.62 = 385,530.58/x
  3. Step 3: Cross multiply
    1,143,472.16x = 1,715,366.62 × 385,530.58
  4. Step 4: Simplify right side
    1,143,472.16x = 661,326,287,921.24
  5. Step 5: Solve for x
    x = 661,326,287,921.24/1,143,472.16
  6. Step 6: Final answer
    x = 578,349.27

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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.