Home / 1,405,640.08-2,108,460.07-340,682.15

Finding the Fourth Proportional to 1,405,640.08, 2,108,460.07 and 340,682.15

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Solution

The fourth proportional to 1,405,640.08, 2,108,460.07 and 340,682.15 is: 511,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,640.08 : 2,108,460.07 = 340,682.15 : x
  2. Step 2: Convert to fraction form
    1,405,640.08/2,108,460.07 = 340,682.15/x
  3. Step 3: Cross multiply
    1,405,640.08x = 2,108,460.07 × 340,682.15
  4. Step 4: Simplify right side
    1,405,640.08x = 718,314,715,533.75
  5. Step 5: Solve for x
    x = 718,314,715,533.75/1,405,640.08
  6. Step 6: Final answer
    x = 511,023.22

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1.5x scale

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.