Home / 1,170,014.70-1,755,022.05-638,573.70

Finding the Fourth Proportional to 1,170,014.70, 1,755,022.05 and 638,573.70

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Solution

The fourth proportional to 1,170,014.70, 1,755,022.05 and 638,573.70 is: 957,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,014.70 : 1,755,022.05 = 638,573.70 : x
  2. Step 2: Convert to fraction form
    1,170,014.70/1,755,022.05 = 638,573.70/x
  3. Step 3: Cross multiply
    1,170,014.70x = 1,755,022.05 × 638,573.70
  4. Step 4: Simplify right side
    1,170,014.70x = 1,120,710,924,050.09
  5. Step 5: Solve for x
    x = 1,120,710,924,050.09/1,170,014.70
  6. Step 6: Final answer
    x = 957,860.55

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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.