Home / 1,405,079.64-2,107,624.86-340,119.90

Finding the Fourth Proportional to 1,405,079.64, 2,107,624.86 and 340,119.90

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Solution

The fourth proportional to 1,405,079.64, 2,107,624.86 and 340,119.90 is: 510,181.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,079.64 : 2,107,624.86 = 340,119.90 : x
  2. Step 2: Convert to fraction form
    1,405,079.64/2,107,624.86 = 340,119.90/x
  3. Step 3: Cross multiply
    1,405,079.64x = 2,107,624.86 × 340,119.90
  4. Step 4: Simplify right side
    1,405,079.64x = 716,845,156,620.71
  5. Step 5: Solve for x
    x = 716,845,156,620.71/1,405,079.64
  6. Step 6: Final answer
    x = 510,181.16

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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.