Home / 768,042.40-1,152,063.60-724,496.80

Finding the Fourth Proportional to 768,042.40, 1,152,063.60 and 724,496.80

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Solution

The fourth proportional to 768,042.40, 1,152,063.60 and 724,496.80 is: 1,086,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,042.40 : 1,152,063.60 = 724,496.80 : x
  2. Step 2: Convert to fraction form
    768,042.40/1,152,063.60 = 724,496.80/x
  3. Step 3: Cross multiply
    768,042.40x = 1,152,063.60 × 724,496.80
  4. Step 4: Simplify right side
    768,042.40x = 834,666,391,596.48
  5. Step 5: Solve for x
    x = 834,666,391,596.48/768,042.40
  6. Step 6: Final answer
    x = 1,086,745.20

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1.5x scale

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.