Home / 1,405,876.38-2,108,378.16-507,201

Finding the Fourth Proportional to 1,405,876.38, 2,108,378.16 and 507,201

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Solution

The fourth proportional to 1,405,876.38, 2,108,378.16 and 507,201 is: 760,644.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,876.38 : 2,108,378.16 = 507,201 : x
  2. Step 2: Convert to fraction form
    1,405,876.38/2,108,378.16 = 507,201/x
  3. Step 3: Cross multiply
    1,405,876.38x = 2,108,378.16 × 507,201
  4. Step 4: Simplify right side
    1,405,876.38x = 1,069,371,511,130.16
  5. Step 5: Solve for x
    x = 1,069,371,511,130.16/1,405,876.38
  6. Step 6: Final answer
    x = 760,644.06

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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.