Home / 1,525,008.86-2,285,917.08-513,781.37

Finding the Fourth Proportional to 1,525,008.86, 2,285,917.08 and 513,781.37

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Solution

The fourth proportional to 1,525,008.86, 2,285,917.08 and 513,781.37 is: 770,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,008.86 : 2,285,917.08 = 513,781.37 : x
  2. Step 2: Convert to fraction form
    1,525,008.86/2,285,917.08 = 513,781.37/x
  3. Step 3: Cross multiply
    1,525,008.86x = 2,285,917.08 × 513,781.37
  4. Step 4: Simplify right side
    1,525,008.86x = 1,174,461,609,068.80
  5. Step 5: Solve for x
    x = 1,174,461,609,068.80/1,525,008.86
  6. Step 6: Final answer
    x = 770,134.29

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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.