Home / 1,487,335.72-2,052,536.30-808,272.20

Finding the Fourth Proportional to 1,487,335.72, 2,052,536.30 and 808,272.20

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Solution

The fourth proportional to 1,487,335.72, 2,052,536.30 and 808,272.20 is: 1,115,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,335.72 : 2,052,536.30 = 808,272.20 : x
  2. Step 2: Convert to fraction form
    1,487,335.72/2,052,536.30 = 808,272.20/x
  3. Step 3: Cross multiply
    1,487,335.72x = 2,052,536.30 × 808,272.20
  4. Step 4: Simplify right side
    1,487,335.72x = 1,659,008,030,780.86
  5. Step 5: Solve for x
    x = 1,659,008,030,780.86/1,487,335.72
  6. Step 6: Final answer
    x = 1,115,422.70

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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.