Home / 1,569,687.70-2,354,531.55-1,091,390.80

Finding the Fourth Proportional to 1,569,687.70, 2,354,531.55 and 1,091,390.80

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Solution

The fourth proportional to 1,569,687.70, 2,354,531.55 and 1,091,390.80 is: 1,637,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,687.70 : 2,354,531.55 = 1,091,390.80 : x
  2. Step 2: Convert to fraction form
    1,569,687.70/2,354,531.55 = 1,091,390.80/x
  3. Step 3: Cross multiply
    1,569,687.70x = 2,354,531.55 × 1,091,390.80
  4. Step 4: Simplify right side
    1,569,687.70x = 2,569,714,071,979.74
  5. Step 5: Solve for x
    x = 2,569,714,071,979.74/1,569,687.70
  6. Step 6: Final answer
    x = 1,637,086.20

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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.