Home / 1,317,029.76-1,817,635.68-949,810.32

Finding the Fourth Proportional to 1,317,029.76, 1,817,635.68 and 949,810.32

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Solution

The fourth proportional to 1,317,029.76, 1,817,635.68 and 949,810.32 is: 1,310,835.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,029.76 : 1,817,635.68 = 949,810.32 : x
  2. Step 2: Convert to fraction form
    1,317,029.76/1,817,635.68 = 949,810.32/x
  3. Step 3: Cross multiply
    1,317,029.76x = 1,817,635.68 × 949,810.32
  4. Step 4: Simplify right side
    1,317,029.76x = 1,726,409,126,864.22
  5. Step 5: Solve for x
    x = 1,726,409,126,864.22/1,317,029.76
  6. Step 6: Final answer
    x = 1,310,835.32

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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.