Home / 1,438,613.55-1,985,145.26-793,992.20

Finding the Fourth Proportional to 1,438,613.55, 1,985,145.26 and 793,992.20

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Solution

The fourth proportional to 1,438,613.55, 1,985,145.26 and 793,992.20 is: 1,095,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,613.55 : 1,985,145.26 = 793,992.20 : x
  2. Step 2: Convert to fraction form
    1,438,613.55/1,985,145.26 = 793,992.20/x
  3. Step 3: Cross multiply
    1,438,613.55x = 1,985,145.26 × 793,992.20
  4. Step 4: Simplify right side
    1,438,613.55x = 1,576,189,838,411.28
  5. Step 5: Solve for x
    x = 1,576,189,838,411.28/1,438,613.55
  6. Step 6: Final answer
    x = 1,095,631.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.