Home / 1,438,513.85-1,985,139.34-793,934.03

Finding the Fourth Proportional to 1,438,513.85, 1,985,139.34 and 793,934.03

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Solution

The fourth proportional to 1,438,513.85, 1,985,139.34 and 793,934.03 is: 1,095,623.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,513.85 : 1,985,139.34 = 793,934.03 : x
  2. Step 2: Convert to fraction form
    1,438,513.85/1,985,139.34 = 793,934.03/x
  3. Step 3: Cross multiply
    1,438,513.85x = 1,985,139.34 × 793,934.03
  4. Step 4: Simplify right side
    1,438,513.85x = 1,576,069,674,084.42
  5. Step 5: Solve for x
    x = 1,576,069,674,084.42/1,438,513.85
  6. Step 6: Final answer
    x = 1,095,623.56

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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.