Home / 1,753,714.80-2,631,263.40-688,575.60

Finding the Fourth Proportional to 1,753,714.80, 2,631,263.40 and 688,575.60

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Solution

The fourth proportional to 1,753,714.80, 2,631,263.40 and 688,575.60 is: 1,033,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,714.80 : 2,631,263.40 = 688,575.60 : x
  2. Step 2: Convert to fraction form
    1,753,714.80/2,631,263.40 = 688,575.60/x
  3. Step 3: Cross multiply
    1,753,714.80x = 2,631,263.40 × 688,575.60
  4. Step 4: Simplify right side
    1,753,714.80x = 1,811,823,774,413.04
  5. Step 5: Solve for x
    x = 1,811,823,774,413.04/1,753,714.80
  6. Step 6: Final answer
    x = 1,033,134.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.