Home / 1,717,287.20-2,576,222.40-918,351.80

Finding the Fourth Proportional to 1,717,287.20, 2,576,222.40 and 918,351.80

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Solution

The fourth proportional to 1,717,287.20, 2,576,222.40 and 918,351.80 is: 1,377,683.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717,287.20 : 2,576,222.40 = 918,351.80 : x
  2. Step 2: Convert to fraction form
    1,717,287.20/2,576,222.40 = 918,351.80/x
  3. Step 3: Cross multiply
    1,717,287.20x = 2,576,222.40 × 918,351.80
  4. Step 4: Simplify right side
    1,717,287.20x = 2,365,878,478,240.32
  5. Step 5: Solve for x
    x = 2,365,878,478,240.32/1,717,287.20
  6. Step 6: Final answer
    x = 1,377,683.64

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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.