Home / 1,256,889.20-1,885,308.28-310,268.08

Finding the Fourth Proportional to 1,256,889.20, 1,885,308.28 and 310,268.08

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Solution

The fourth proportional to 1,256,889.20, 1,885,308.28 and 310,268.08 is: 465,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,889.20 : 1,885,308.28 = 310,268.08 : x
  2. Step 2: Convert to fraction form
    1,256,889.20/1,885,308.28 = 310,268.08/x
  3. Step 3: Cross multiply
    1,256,889.20x = 1,885,308.28 × 310,268.08
  4. Step 4: Simplify right side
    1,256,889.20x = 584,950,980,243.70
  5. Step 5: Solve for x
    x = 584,950,980,243.70/1,256,889.20
  6. Step 6: Final answer
    x = 465,395.82

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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.