Home / 1,276,657.58-1,915,051.98-330,036.50

Finding the Fourth Proportional to 1,276,657.58, 1,915,051.98 and 330,036.50

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Solution

The fourth proportional to 1,276,657.58, 1,915,051.98 and 330,036.50 is: 495,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,657.58 : 1,915,051.98 = 330,036.50 : x
  2. Step 2: Convert to fraction form
    1,276,657.58/1,915,051.98 = 330,036.50/x
  3. Step 3: Cross multiply
    1,276,657.58x = 1,915,051.98 × 330,036.50
  4. Step 4: Simplify right side
    1,276,657.58x = 632,037,052,797.27
  5. Step 5: Solve for x
    x = 632,037,052,797.27/1,276,657.58
  6. Step 6: Final answer
    x = 495,071.71

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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.