Home / 1,376,276.32-2,064,656.56-628,397.92

Finding the Fourth Proportional to 1,376,276.32, 2,064,656.56 and 628,397.92

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Solution

The fourth proportional to 1,376,276.32, 2,064,656.56 and 628,397.92 is: 942,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,276.32 : 2,064,656.56 = 628,397.92 : x
  2. Step 2: Convert to fraction form
    1,376,276.32/2,064,656.56 = 628,397.92/x
  3. Step 3: Cross multiply
    1,376,276.32x = 2,064,656.56 × 628,397.92
  4. Step 4: Simplify right side
    1,376,276.32x = 1,297,425,887,818.36
  5. Step 5: Solve for x
    x = 1,297,425,887,818.36/1,376,276.32
  6. Step 6: Final answer
    x = 942,707.41

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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.