Home / 889,487.20-1,247,770.40-889,487.20

Finding the Fourth Proportional to 889,487.20, 1,247,770.40 and 889,487.20

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Solution

The fourth proportional to 889,487.20, 1,247,770.40 and 889,487.20 is: 1,247,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,487.20 : 1,247,770.40 = 889,487.20 : x
  2. Step 2: Convert to fraction form
    889,487.20/1,247,770.40 = 889,487.20/x
  3. Step 3: Cross multiply
    889,487.20x = 1,247,770.40 × 889,487.20
  4. Step 4: Simplify right side
    889,487.20x = 1,109,875,799,338.88
  5. Step 5: Solve for x
    x = 1,109,875,799,338.88/889,487.20
  6. Step 6: Final answer
    x = 1,247,770.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.