Home / 1,270,449.08-1,905,269.45-417,322.79

Finding the Fourth Proportional to 1,270,449.08, 1,905,269.45 and 417,322.79

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Solution

The fourth proportional to 1,270,449.08, 1,905,269.45 and 417,322.79 is: 625,851.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,449.08 : 1,905,269.45 = 417,322.79 : x
  2. Step 2: Convert to fraction form
    1,270,449.08/1,905,269.45 = 417,322.79/x
  3. Step 3: Cross multiply
    1,270,449.08x = 1,905,269.45 × 417,322.79
  4. Step 4: Simplify right side
    1,270,449.08x = 795,112,362,575.77
  5. Step 5: Solve for x
    x = 795,112,362,575.77/1,270,449.08
  6. Step 6: Final answer
    x = 625,851.42

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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.