Home / 1,088,811.47-1,630,023.45-763,471.45

Finding the Fourth Proportional to 1,088,811.47, 1,630,023.45 and 763,471.45

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Solution

The fourth proportional to 1,088,811.47, 1,630,023.45 and 763,471.45 is: 1,142,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,811.47 : 1,630,023.45 = 763,471.45 : x
  2. Step 2: Convert to fraction form
    1,088,811.47/1,630,023.45 = 763,471.45/x
  3. Step 3: Cross multiply
    1,088,811.47x = 1,630,023.45 × 763,471.45
  4. Step 4: Simplify right side
    1,088,811.47x = 1,244,476,361,205.66
  5. Step 5: Solve for x
    x = 1,244,476,361,205.66/1,088,811.47
  6. Step 6: Final answer
    x = 1,142,967.72

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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.