Home / 1,240,677.90-1,712,135.88-696,814.47

Finding the Fourth Proportional to 1,240,677.90, 1,712,135.88 and 696,814.47

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Solution

The fourth proportional to 1,240,677.90, 1,712,135.88 and 696,814.47 is: 961,604.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,677.90 : 1,712,135.88 = 696,814.47 : x
  2. Step 2: Convert to fraction form
    1,240,677.90/1,712,135.88 = 696,814.47/x
  3. Step 3: Cross multiply
    1,240,677.90x = 1,712,135.88 × 696,814.47
  4. Step 4: Simplify right side
    1,240,677.90x = 1,193,041,055,790.18
  5. Step 5: Solve for x
    x = 1,193,041,055,790.18/1,240,677.90
  6. Step 6: Final answer
    x = 961,604.18

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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.