Home / 889,234.80-1,333,852.20-815,751.60

Finding the Fourth Proportional to 889,234.80, 1,333,852.20 and 815,751.60

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Solution

The fourth proportional to 889,234.80, 1,333,852.20 and 815,751.60 is: 1,223,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,234.80 : 1,333,852.20 = 815,751.60 : x
  2. Step 2: Convert to fraction form
    889,234.80/1,333,852.20 = 815,751.60/x
  3. Step 3: Cross multiply
    889,234.80x = 1,333,852.20 × 815,751.60
  4. Step 4: Simplify right side
    889,234.80x = 1,088,092,066,313.52
  5. Step 5: Solve for x
    x = 1,088,092,066,313.52/889,234.80
  6. Step 6: Final answer
    x = 1,223,627.40

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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.