Home / 1,240,849.62-1,712,373.38-696,985.70

Finding the Fourth Proportional to 1,240,849.62, 1,712,373.38 and 696,985.70

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Solution

The fourth proportional to 1,240,849.62, 1,712,373.38 and 696,985.70 is: 961,840.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,849.62 : 1,712,373.38 = 696,985.70 : x
  2. Step 2: Convert to fraction form
    1,240,849.62/1,712,373.38 = 696,985.70/x
  3. Step 3: Cross multiply
    1,240,849.62x = 1,712,373.38 × 696,985.70
  4. Step 4: Simplify right side
    1,240,849.62x = 1,193,499,758,920.67
  5. Step 5: Solve for x
    x = 1,193,499,758,920.67/1,240,849.62
  6. Step 6: Final answer
    x = 961,840.77

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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.