Home / 1,295,313.60-1,941,220.80-867,633.60

Finding the Fourth Proportional to 1,295,313.60, 1,941,220.80 and 867,633.60

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Solution

The fourth proportional to 1,295,313.60, 1,941,220.80 and 867,633.60 is: 1,300,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,313.60 : 1,941,220.80 = 867,633.60 : x
  2. Step 2: Convert to fraction form
    1,295,313.60/1,941,220.80 = 867,633.60/x
  3. Step 3: Cross multiply
    1,295,313.60x = 1,941,220.80 × 867,633.60
  4. Step 4: Simplify right side
    1,295,313.60x = 1,684,268,391,098.88
  5. Step 5: Solve for x
    x = 1,684,268,391,098.88/1,295,313.60
  6. Step 6: Final answer
    x = 1,300,278.47

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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.