Home / 1,515,925.28-2,091,921.96-836,847.20

Finding the Fourth Proportional to 1,515,925.28, 2,091,921.96 and 836,847.20

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Solution

The fourth proportional to 1,515,925.28, 2,091,921.96 and 836,847.20 is: 1,154,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,925.28 : 2,091,921.96 = 836,847.20 : x
  2. Step 2: Convert to fraction form
    1,515,925.28/2,091,921.96 = 836,847.20/x
  3. Step 3: Cross multiply
    1,515,925.28x = 2,091,921.96 × 836,847.20
  4. Step 4: Simplify right side
    1,515,925.28x = 1,750,619,034,844.51
  5. Step 5: Solve for x
    x = 1,750,619,034,844.51/1,515,925.28
  6. Step 6: Final answer
    x = 1,154,818.81

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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.