Home / 1,220,554.10-1,684,404.52-676,740.48

Finding the Fourth Proportional to 1,220,554.10, 1,684,404.52 and 676,740.48

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Solution

The fourth proportional to 1,220,554.10, 1,684,404.52 and 676,740.48 is: 933,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,554.10 : 1,684,404.52 = 676,740.48 : x
  2. Step 2: Convert to fraction form
    1,220,554.10/1,684,404.52 = 676,740.48/x
  3. Step 3: Cross multiply
    1,220,554.10x = 1,684,404.52 × 676,740.48
  4. Step 4: Simplify right side
    1,220,554.10x = 1,139,904,723,378.97
  5. Step 5: Solve for x
    x = 1,139,904,723,378.97/1,220,554.10
  6. Step 6: Final answer
    x = 933,923.96

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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.