Home / 1,438,144.39-1,984,581.23-793,556.20

Finding the Fourth Proportional to 1,438,144.39, 1,984,581.23 and 793,556.20

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Solution

The fourth proportional to 1,438,144.39, 1,984,581.23 and 793,556.20 is: 1,095,075.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,144.39 : 1,984,581.23 = 793,556.20 : x
  2. Step 2: Convert to fraction form
    1,438,144.39/1,984,581.23 = 793,556.20/x
  3. Step 3: Cross multiply
    1,438,144.39x = 1,984,581.23 × 793,556.20
  4. Step 4: Simplify right side
    1,438,144.39x = 1,574,876,739,470.13
  5. Step 5: Solve for x
    x = 1,574,876,739,470.13/1,438,144.39
  6. Step 6: Final answer
    x = 1,095,075.54

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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.