Home / 1,721,872.80-2,582,809.20-1,091,498.40

Finding the Fourth Proportional to 1,721,872.80, 2,582,809.20 and 1,091,498.40

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Solution

The fourth proportional to 1,721,872.80, 2,582,809.20 and 1,091,498.40 is: 1,637,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,872.80 : 2,582,809.20 = 1,091,498.40 : x
  2. Step 2: Convert to fraction form
    1,721,872.80/2,582,809.20 = 1,091,498.40/x
  3. Step 3: Cross multiply
    1,721,872.80x = 2,582,809.20 × 1,091,498.40
  4. Step 4: Simplify right side
    1,721,872.80x = 2,819,132,109,305.28
  5. Step 5: Solve for x
    x = 2,819,132,109,305.28/1,721,872.80
  6. Step 6: Final answer
    x = 1,637,247.60

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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.