Home / 1,725,615.60-2,588,399.10-778,984.80

Finding the Fourth Proportional to 1,725,615.60, 2,588,399.10 and 778,984.80

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Solution

The fourth proportional to 1,725,615.60, 2,588,399.10 and 778,984.80 is: 1,168,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,615.60 : 2,588,399.10 = 778,984.80 : x
  2. Step 2: Convert to fraction form
    1,725,615.60/2,588,399.10 = 778,984.80/x
  3. Step 3: Cross multiply
    1,725,615.60x = 2,588,399.10 × 778,984.80
  4. Step 4: Simplify right side
    1,725,615.60x = 2,016,323,555,233.68
  5. Step 5: Solve for x
    x = 2,016,323,555,233.68/1,725,615.60
  6. Step 6: Final answer
    x = 1,168,466.23

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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.