Home / 1,405,631.28-2,108,446.93-340,673.34

Finding the Fourth Proportional to 1,405,631.28, 2,108,446.93 and 340,673.34

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Solution

The fourth proportional to 1,405,631.28, 2,108,446.93 and 340,673.34 is: 511,010.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,631.28 : 2,108,446.93 = 340,673.34 : x
  2. Step 2: Convert to fraction form
    1,405,631.28/2,108,446.93 = 340,673.34/x
  3. Step 3: Cross multiply
    1,405,631.28x = 2,108,446.93 × 340,673.34
  4. Step 4: Simplify right side
    1,405,631.28x = 718,291,651,648.17
  5. Step 5: Solve for x
    x = 718,291,651,648.17/1,405,631.28
  6. Step 6: Final answer
    x = 511,010.01

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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.