Home / 1,097,817.70-1,515,918.40-690,050.86

Finding the Fourth Proportional to 1,097,817.70, 1,515,918.40 and 690,050.86

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Solution

The fourth proportional to 1,097,817.70, 1,515,918.40 and 690,050.86 is: 952,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,817.70 : 1,515,918.40 = 690,050.86 : x
  2. Step 2: Convert to fraction form
    1,097,817.70/1,515,918.40 = 690,050.86/x
  3. Step 3: Cross multiply
    1,097,817.70x = 1,515,918.40 × 690,050.86
  4. Step 4: Simplify right side
    1,097,817.70x = 1,046,060,795,609.82
  5. Step 5: Solve for x
    x = 1,046,060,795,609.82/1,097,817.70
  6. Step 6: Final answer
    x = 952,854.74

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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.