Home / 1,405,885.59-2,108,827.71-340,927.47

Finding the Fourth Proportional to 1,405,885.59, 2,108,827.71 and 340,927.47

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Solution

The fourth proportional to 1,405,885.59, 2,108,827.71 and 340,927.47 is: 511,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,885.59 : 2,108,827.71 = 340,927.47 : x
  2. Step 2: Convert to fraction form
    1,405,885.59/2,108,827.71 = 340,927.47/x
  3. Step 3: Cross multiply
    1,405,885.59x = 2,108,827.71 × 340,927.47
  4. Step 4: Simplify right side
    1,405,885.59x = 718,957,295,836.19
  5. Step 5: Solve for x
    x = 718,957,295,836.19/1,405,885.59
  6. Step 6: Final answer
    x = 511,391.04

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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.