Home / 910,420.80-1,365,631.20-833,657.10

Finding the Fourth Proportional to 910,420.80, 1,365,631.20 and 833,657.10

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Solution

The fourth proportional to 910,420.80, 1,365,631.20 and 833,657.10 is: 1,250,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,420.80 : 1,365,631.20 = 833,657.10 : x
  2. Step 2: Convert to fraction form
    910,420.80/1,365,631.20 = 833,657.10/x
  3. Step 3: Cross multiply
    910,420.80x = 1,365,631.20 × 833,657.10
  4. Step 4: Simplify right side
    910,420.80x = 1,138,468,145,861.52
  5. Step 5: Solve for x
    x = 1,138,468,145,861.52/910,420.80
  6. Step 6: Final answer
    x = 1,250,485.65

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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.