Home / 1,274,599.04-1,912,186.60-421,668.68

Finding the Fourth Proportional to 1,274,599.04, 1,912,186.60 and 421,668.68

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Solution

The fourth proportional to 1,274,599.04, 1,912,186.60 and 421,668.68 is: 632,598.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,599.04 : 1,912,186.60 = 421,668.68 : x
  2. Step 2: Convert to fraction form
    1,274,599.04/1,912,186.60 = 421,668.68/x
  3. Step 3: Cross multiply
    1,274,599.04x = 1,912,186.60 × 421,668.68
  4. Step 4: Simplify right side
    1,274,599.04x = 806,309,199,535.69
  5. Step 5: Solve for x
    x = 806,309,199,535.69/1,274,599.04
  6. Step 6: Final answer
    x = 632,598.31

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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.