Home / 1,263,048.76-1,742,986.91-690,076.63

Finding the Fourth Proportional to 1,263,048.76, 1,742,986.91 and 690,076.63

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Solution

The fourth proportional to 1,263,048.76, 1,742,986.91 and 690,076.63 is: 952,294.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,048.76 : 1,742,986.91 = 690,076.63 : x
  2. Step 2: Convert to fraction form
    1,263,048.76/1,742,986.91 = 690,076.63/x
  3. Step 3: Cross multiply
    1,263,048.76x = 1,742,986.91 × 690,076.63
  4. Step 4: Simplify right side
    1,263,048.76x = 1,202,794,532,986.91
  5. Step 5: Solve for x
    x = 1,202,794,532,986.91/1,263,048.76
  6. Step 6: Final answer
    x = 952,294.62

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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.