Home / 1,405,982.88-2,108,539.71-507,310.38

Finding the Fourth Proportional to 1,405,982.88, 2,108,539.71 and 507,310.38

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Solution

The fourth proportional to 1,405,982.88, 2,108,539.71 and 507,310.38 is: 760,808.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,982.88 : 2,108,539.71 = 507,310.38 : x
  2. Step 2: Convert to fraction form
    1,405,982.88/2,108,539.71 = 507,310.38/x
  3. Step 3: Cross multiply
    1,405,982.88x = 2,108,539.71 × 507,310.38
  4. Step 4: Simplify right side
    1,405,982.88x = 1,069,684,081,525.19
  5. Step 5: Solve for x
    x = 1,069,684,081,525.19/1,405,982.88
  6. Step 6: Final answer
    x = 760,808.75

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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.