Home / 1,255,423.70-1,883,135.55-402,493.70

Finding the Fourth Proportional to 1,255,423.70, 1,883,135.55 and 402,493.70

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Solution

The fourth proportional to 1,255,423.70, 1,883,135.55 and 402,493.70 is: 603,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,423.70 : 1,883,135.55 = 402,493.70 : x
  2. Step 2: Convert to fraction form
    1,255,423.70/1,883,135.55 = 402,493.70/x
  3. Step 3: Cross multiply
    1,255,423.70x = 1,883,135.55 × 402,493.70
  4. Step 4: Simplify right side
    1,255,423.70x = 757,950,195,121.04
  5. Step 5: Solve for x
    x = 757,950,195,121.04/1,255,423.70
  6. Step 6: Final answer
    x = 603,740.55

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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.