Home / 1,275,415.52-1,912,458.98-476,039.66

Finding the Fourth Proportional to 1,275,415.52, 1,912,458.98 and 476,039.66

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Solution

The fourth proportional to 1,275,415.52, 1,912,458.98 and 476,039.66 is: 713,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,415.52 : 1,912,458.98 = 476,039.66 : x
  2. Step 2: Convert to fraction form
    1,275,415.52/1,912,458.98 = 476,039.66/x
  3. Step 3: Cross multiply
    1,275,415.52x = 1,912,458.98 × 476,039.66
  4. Step 4: Simplify right side
    1,275,415.52x = 910,406,322,603.15
  5. Step 5: Solve for x
    x = 910,406,322,603.15/1,275,415.52
  6. Step 6: Final answer
    x = 713,811.54

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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.