Home / 1,170,295.32-1,614,994.90-647,003.70

Finding the Fourth Proportional to 1,170,295.32, 1,614,994.90 and 647,003.70

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Solution

The fourth proportional to 1,170,295.32, 1,614,994.90 and 647,003.70 is: 892,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,295.32 : 1,614,994.90 = 647,003.70 : x
  2. Step 2: Convert to fraction form
    1,170,295.32/1,614,994.90 = 647,003.70/x
  3. Step 3: Cross multiply
    1,170,295.32x = 1,614,994.90 × 647,003.70
  4. Step 4: Simplify right side
    1,170,295.32x = 1,044,907,675,781.13
  5. Step 5: Solve for x
    x = 1,044,907,675,781.13/1,170,295.32
  6. Step 6: Final answer
    x = 892,858.12

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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.