Home / 1,405,900.20-2,108,414.40-507,225.15

Finding the Fourth Proportional to 1,405,900.20, 2,108,414.40 and 507,225.15

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Solution

The fourth proportional to 1,405,900.20, 2,108,414.40 and 507,225.15 is: 760,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,900.20 : 2,108,414.40 = 507,225.15 : x
  2. Step 2: Convert to fraction form
    1,405,900.20/2,108,414.40 = 507,225.15/x
  3. Step 3: Cross multiply
    1,405,900.20x = 2,108,414.40 × 507,225.15
  4. Step 4: Simplify right side
    1,405,900.20x = 1,069,440,810,302.16
  5. Step 5: Solve for x
    x = 1,069,440,810,302.16/1,405,900.20
  6. Step 6: Final answer
    x = 760,680.46

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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.