Home / 889,898.40-1,334,847.60-791,920.80

Finding the Fourth Proportional to 889,898.40, 1,334,847.60 and 791,920.80

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Solution

The fourth proportional to 889,898.40, 1,334,847.60 and 791,920.80 is: 1,187,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,898.40 : 1,334,847.60 = 791,920.80 : x
  2. Step 2: Convert to fraction form
    889,898.40/1,334,847.60 = 791,920.80/x
  3. Step 3: Cross multiply
    889,898.40x = 1,334,847.60 × 791,920.80
  4. Step 4: Simplify right side
    889,898.40x = 1,057,093,579,270.08
  5. Step 5: Solve for x
    x = 1,057,093,579,270.08/889,898.40
  6. Step 6: Final answer
    x = 1,187,881.20

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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.