Home / 1,269,781.92-1,752,320.34-696,875.40

Finding the Fourth Proportional to 1,269,781.92, 1,752,320.34 and 696,875.40

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Solution

The fourth proportional to 1,269,781.92, 1,752,320.34 and 696,875.40 is: 961,699.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,781.92 : 1,752,320.34 = 696,875.40 : x
  2. Step 2: Convert to fraction form
    1,269,781.92/1,752,320.34 = 696,875.40/x
  3. Step 3: Cross multiply
    1,269,781.92x = 1,752,320.34 × 696,875.40
  4. Step 4: Simplify right side
    1,269,781.92x = 1,221,148,937,865.64
  5. Step 5: Solve for x
    x = 1,221,148,937,865.64/1,269,781.92
  6. Step 6: Final answer
    x = 961,699.74

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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.