Home / 1,405,653.74-2,108,480.63-340,695.84

Finding the Fourth Proportional to 1,405,653.74, 2,108,480.63 and 340,695.84

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Solution

The fourth proportional to 1,405,653.74, 2,108,480.63 and 340,695.84 is: 511,043.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,653.74 : 2,108,480.63 = 340,695.84 : x
  2. Step 2: Convert to fraction form
    1,405,653.74/2,108,480.63 = 340,695.84/x
  3. Step 3: Cross multiply
    1,405,653.74x = 2,108,480.63 × 340,695.84
  4. Step 4: Simplify right side
    1,405,653.74x = 718,350,577,658.10
  5. Step 5: Solve for x
    x = 718,350,577,658.10/1,405,653.74
  6. Step 6: Final answer
    x = 511,043.77

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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.