Home / 1,132,415.60-1,698,623.40-628,530.80

Finding the Fourth Proportional to 1,132,415.60, 1,698,623.40 and 628,530.80

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Solution

The fourth proportional to 1,132,415.60, 1,698,623.40 and 628,530.80 is: 942,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,415.60 : 1,698,623.40 = 628,530.80 : x
  2. Step 2: Convert to fraction form
    1,132,415.60/1,698,623.40 = 628,530.80/x
  3. Step 3: Cross multiply
    1,132,415.60x = 1,698,623.40 × 628,530.80
  4. Step 4: Simplify right side
    1,132,415.60x = 1,067,637,124,500.72
  5. Step 5: Solve for x
    x = 1,067,637,124,500.72/1,132,415.60
  6. Step 6: Final answer
    x = 942,796.20

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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.