Home / 918,062.80-1,377,094.20-813,086.80

Finding the Fourth Proportional to 918,062.80, 1,377,094.20 and 813,086.80

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Solution

The fourth proportional to 918,062.80, 1,377,094.20 and 813,086.80 is: 1,219,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,062.80 : 1,377,094.20 = 813,086.80 : x
  2. Step 2: Convert to fraction form
    918,062.80/1,377,094.20 = 813,086.80/x
  3. Step 3: Cross multiply
    918,062.80x = 1,377,094.20 × 813,086.80
  4. Step 4: Simplify right side
    918,062.80x = 1,119,697,116,376.56
  5. Step 5: Solve for x
    x = 1,119,697,116,376.56/918,062.80
  6. Step 6: Final answer
    x = 1,219,630.20

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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.