Home / 1,263,016.98-1,742,988.51-690,092.70

Finding the Fourth Proportional to 1,263,016.98, 1,742,988.51 and 690,092.70

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Solution

The fourth proportional to 1,263,016.98, 1,742,988.51 and 690,092.70 is: 952,341.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,016.98 : 1,742,988.51 = 690,092.70 : x
  2. Step 2: Convert to fraction form
    1,263,016.98/1,742,988.51 = 690,092.70/x
  3. Step 3: Cross multiply
    1,263,016.98x = 1,742,988.51 × 690,092.70
  4. Step 4: Simplify right side
    1,263,016.98x = 1,202,823,646,934.88
  5. Step 5: Solve for x
    x = 1,202,823,646,934.88/1,263,016.98
  6. Step 6: Final answer
    x = 952,341.63

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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.