Home / 1,438,521-1,985,149.20-793,941.20

Finding the Fourth Proportional to 1,438,521, 1,985,149.20 and 793,941.20

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Solution

The fourth proportional to 1,438,521, 1,985,149.20 and 793,941.20 is: 1,095,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,521 : 1,985,149.20 = 793,941.20 : x
  2. Step 2: Convert to fraction form
    1,438,521/1,985,149.20 = 793,941.20/x
  3. Step 3: Cross multiply
    1,438,521x = 1,985,149.20 × 793,941.20
  4. Step 4: Simplify right side
    1,438,521x = 1,576,091,738,027.04
  5. Step 5: Solve for x
    x = 1,576,091,738,027.04/1,438,521
  6. Step 6: Final answer
    x = 1,095,633.46

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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.