Home / 1,448,431.20-2,173,165.20-607,240.80

Finding the Fourth Proportional to 1,448,431.20, 2,173,165.20 and 607,240.80

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Solution

The fourth proportional to 1,448,431.20, 2,173,165.20 and 607,240.80 is: 911,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,431.20 : 2,173,165.20 = 607,240.80 : x
  2. Step 2: Convert to fraction form
    1,448,431.20/2,173,165.20 = 607,240.80/x
  3. Step 3: Cross multiply
    1,448,431.20x = 2,173,165.20 × 607,240.80
  4. Step 4: Simplify right side
    1,448,431.20x = 1,319,634,574,580.16
  5. Step 5: Solve for x
    x = 1,319,634,574,580.16/1,448,431.20
  6. Step 6: Final answer
    x = 911,078.53

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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.