Home / 1,100,513.80-1,648,802.40-679,297.60

Finding the Fourth Proportional to 1,100,513.80, 1,648,802.40 and 679,297.60

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Solution

The fourth proportional to 1,100,513.80, 1,648,802.40 and 679,297.60 is: 1,017,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,513.80 : 1,648,802.40 = 679,297.60 : x
  2. Step 2: Convert to fraction form
    1,100,513.80/1,648,802.40 = 679,297.60/x
  3. Step 3: Cross multiply
    1,100,513.80x = 1,648,802.40 × 679,297.60
  4. Step 4: Simplify right side
    1,100,513.80x = 1,120,027,513,194.24
  5. Step 5: Solve for x
    x = 1,120,027,513,194.24/1,100,513.80
  6. Step 6: Final answer
    x = 1,017,731.46

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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.