Home / 1,635,370.40-2,452,180.80-687,670.40

Finding the Fourth Proportional to 1,635,370.40, 2,452,180.80 and 687,670.40

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Solution

The fourth proportional to 1,635,370.40, 2,452,180.80 and 687,670.40 is: 1,031,137.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,370.40 : 2,452,180.80 = 687,670.40 : x
  2. Step 2: Convert to fraction form
    1,635,370.40/2,452,180.80 = 687,670.40/x
  3. Step 3: Cross multiply
    1,635,370.40x = 2,452,180.80 × 687,670.40
  4. Step 4: Simplify right side
    1,635,370.40x = 1,686,292,151,608.32
  5. Step 5: Solve for x
    x = 1,686,292,151,608.32/1,635,370.40
  6. Step 6: Final answer
    x = 1,031,137.75

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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.