Home / 1,717,729.80-2,571,345.90-1,339,816.20

Finding the Fourth Proportional to 1,717,729.80, 2,571,345.90 and 1,339,816.20

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Solution

The fourth proportional to 1,717,729.80, 2,571,345.90 and 1,339,816.20 is: 2,005,630.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717,729.80 : 2,571,345.90 = 1,339,816.20 : x
  2. Step 2: Convert to fraction form
    1,717,729.80/2,571,345.90 = 1,339,816.20/x
  3. Step 3: Cross multiply
    1,717,729.80x = 2,571,345.90 × 1,339,816.20
  4. Step 4: Simplify right side
    1,717,729.80x = 3,445,130,892,623.58
  5. Step 5: Solve for x
    x = 3,445,130,892,623.58/1,717,729.80
  6. Step 6: Final answer
    x = 2,005,630.28

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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.