Home / 1,515,814.80-2,274,038.10-505,250.70

Finding the Fourth Proportional to 1,515,814.80, 2,274,038.10 and 505,250.70

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Solution

The fourth proportional to 1,515,814.80, 2,274,038.10 and 505,250.70 is: 757,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,814.80 : 2,274,038.10 = 505,250.70 : x
  2. Step 2: Convert to fraction form
    1,515,814.80/2,274,038.10 = 505,250.70/x
  3. Step 3: Cross multiply
    1,515,814.80x = 2,274,038.10 × 505,250.70
  4. Step 4: Simplify right side
    1,515,814.80x = 1,148,959,341,851.67
  5. Step 5: Solve for x
    x = 1,148,959,341,851.67/1,515,814.80
  6. Step 6: Final answer
    x = 757,981.35

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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.