Home / 1,515,712.32-2,091,700.08-836,648.64

Finding the Fourth Proportional to 1,515,712.32, 2,091,700.08 and 836,648.64

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Solution

The fourth proportional to 1,515,712.32, 2,091,700.08 and 836,648.64 is: 1,154,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,712.32 : 2,091,700.08 = 836,648.64 : x
  2. Step 2: Convert to fraction form
    1,515,712.32/2,091,700.08 = 836,648.64/x
  3. Step 3: Cross multiply
    1,515,712.32x = 2,091,700.08 × 836,648.64
  4. Step 4: Simplify right side
    1,515,712.32x = 1,750,018,027,219.89
  5. Step 5: Solve for x
    x = 1,750,018,027,219.89/1,515,712.32
  6. Step 6: Final answer
    x = 1,154,584.55

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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.