Home / 1,376,110.80-2,064,166.20-1,309,680.68

Finding the Fourth Proportional to 1,376,110.80, 2,064,166.20 and 1,309,680.68

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Solution

The fourth proportional to 1,376,110.80, 2,064,166.20 and 1,309,680.68 is: 1,964,521.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,110.80 : 2,064,166.20 = 1,309,680.68 : x
  2. Step 2: Convert to fraction form
    1,376,110.80/2,064,166.20 = 1,309,680.68/x
  3. Step 3: Cross multiply
    1,376,110.80x = 2,064,166.20 × 1,309,680.68
  4. Step 4: Simplify right side
    1,376,110.80x = 2,703,398,582,128.19
  5. Step 5: Solve for x
    x = 2,703,398,582,128.19/1,376,110.80
  6. Step 6: Final answer
    x = 1,964,521.01

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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.