Home / 1,403,643.66-2,105,447.28-338,676.72

Finding the Fourth Proportional to 1,403,643.66, 2,105,447.28 and 338,676.72

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Solution

The fourth proportional to 1,403,643.66, 2,105,447.28 and 338,676.72 is: 508,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,643.66 : 2,105,447.28 = 338,676.72 : x
  2. Step 2: Convert to fraction form
    1,403,643.66/2,105,447.28 = 338,676.72/x
  3. Step 3: Cross multiply
    1,403,643.66x = 2,105,447.28 × 338,676.72
  4. Step 4: Simplify right side
    1,403,643.66x = 713,065,978,923.32
  5. Step 5: Solve for x
    x = 713,065,978,923.32/1,403,643.66
  6. Step 6: Final answer
    x = 508,010.69

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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.