Home / 1,405,625.46-2,108,438.10-340,667.52

Finding the Fourth Proportional to 1,405,625.46, 2,108,438.10 and 340,667.52

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Solution

The fourth proportional to 1,405,625.46, 2,108,438.10 and 340,667.52 is: 511,001.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,625.46 : 2,108,438.10 = 340,667.52 : x
  2. Step 2: Convert to fraction form
    1,405,625.46/2,108,438.10 = 340,667.52/x
  3. Step 3: Cross multiply
    1,405,625.46x = 2,108,438.10 × 340,667.52
  4. Step 4: Simplify right side
    1,405,625.46x = 718,276,378,600.51
  5. Step 5: Solve for x
    x = 718,276,378,600.51/1,405,625.46
  6. Step 6: Final answer
    x = 511,001.26

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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.