Home / 1,269,803.28-1,752,379.02-696,864.12

Finding the Fourth Proportional to 1,269,803.28, 1,752,379.02 and 696,864.12

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Solution

The fourth proportional to 1,269,803.28, 1,752,379.02 and 696,864.12 is: 961,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,803.28 : 1,752,379.02 = 696,864.12 : x
  2. Step 2: Convert to fraction form
    1,269,803.28/1,752,379.02 = 696,864.12/x
  3. Step 3: Cross multiply
    1,269,803.28x = 1,752,379.02 × 696,864.12
  4. Step 4: Simplify right side
    1,269,803.28x = 1,221,170,063,678.76
  5. Step 5: Solve for x
    x = 1,221,170,063,678.76/1,269,803.28
  6. Step 6: Final answer
    x = 961,700.20

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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.