Home / 1,567,887.40-2,351,247.90-621,062.20

Finding the Fourth Proportional to 1,567,887.40, 2,351,247.90 and 621,062.20

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Solution

The fourth proportional to 1,567,887.40, 2,351,247.90 and 621,062.20 is: 931,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,887.40 : 2,351,247.90 = 621,062.20 : x
  2. Step 2: Convert to fraction form
    1,567,887.40/2,351,247.90 = 621,062.20/x
  3. Step 3: Cross multiply
    1,567,887.40x = 2,351,247.90 × 621,062.20
  4. Step 4: Simplify right side
    1,567,887.40x = 1,460,271,193,519.38
  5. Step 5: Solve for x
    x = 1,460,271,193,519.38/1,567,887.40
  6. Step 6: Final answer
    x = 931,362.29

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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.