Home / 1,240,268.31-1,711,548.50-696,408.39

Finding the Fourth Proportional to 1,240,268.31, 1,711,548.50 and 696,408.39

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Solution

The fourth proportional to 1,240,268.31, 1,711,548.50 and 696,408.39 is: 961,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,268.31 : 1,711,548.50 = 696,408.39 : x
  2. Step 2: Convert to fraction form
    1,240,268.31/1,711,548.50 = 696,408.39/x
  3. Step 3: Cross multiply
    1,240,268.31x = 1,711,548.50 × 696,408.39
  4. Step 4: Simplify right side
    1,240,268.31x = 1,191,936,731,809.87
  5. Step 5: Solve for x
    x = 1,191,936,731,809.87/1,240,268.31
  6. Step 6: Final answer
    x = 961,031.35

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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.