Home / 1,405,912.88-2,108,433.20-507,237.84

Finding the Fourth Proportional to 1,405,912.88, 2,108,433.20 and 507,237.84

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Solution

The fourth proportional to 1,405,912.88, 2,108,433.20 and 507,237.84 is: 760,699.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,912.88 : 2,108,433.20 = 507,237.84 : x
  2. Step 2: Convert to fraction form
    1,405,912.88/2,108,433.20 = 507,237.84/x
  3. Step 3: Cross multiply
    1,405,912.88x = 2,108,433.20 × 507,237.84
  4. Step 4: Simplify right side
    1,405,912.88x = 1,069,477,102,152.29
  5. Step 5: Solve for x
    x = 1,069,477,102,152.29/1,405,912.88
  6. Step 6: Final answer
    x = 760,699.41

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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.