Home / 1,068,118.70-1,601,070.86-667,840.30

Finding the Fourth Proportional to 1,068,118.70, 1,601,070.86 and 667,840.30

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Solution

The fourth proportional to 1,068,118.70, 1,601,070.86 and 667,840.30 is: 1,001,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,118.70 : 1,601,070.86 = 667,840.30 : x
  2. Step 2: Convert to fraction form
    1,068,118.70/1,601,070.86 = 667,840.30/x
  3. Step 3: Cross multiply
    1,068,118.70x = 1,601,070.86 × 667,840.30
  4. Step 4: Simplify right side
    1,068,118.70x = 1,069,259,643,463.66
  5. Step 5: Solve for x
    x = 1,069,259,643,463.66/1,068,118.70
  6. Step 6: Final answer
    x = 1,001,068.18

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Double scale
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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.