Home / 1,377,434.80-2,066,152.20-668,846.80

Finding the Fourth Proportional to 1,377,434.80, 2,066,152.20 and 668,846.80

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Solution

The fourth proportional to 1,377,434.80, 2,066,152.20 and 668,846.80 is: 1,003,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,434.80 : 2,066,152.20 = 668,846.80 : x
  2. Step 2: Convert to fraction form
    1,377,434.80/2,066,152.20 = 668,846.80/x
  3. Step 3: Cross multiply
    1,377,434.80x = 2,066,152.20 × 668,846.80
  4. Step 4: Simplify right side
    1,377,434.80x = 1,381,939,287,282.96
  5. Step 5: Solve for x
    x = 1,381,939,287,282.96/1,377,434.80
  6. Step 6: Final answer
    x = 1,003,270.20

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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.