Home / 1,276,646.58-1,915,035.48-330,025.50

Finding the Fourth Proportional to 1,276,646.58, 1,915,035.48 and 330,025.50

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Solution

The fourth proportional to 1,276,646.58, 1,915,035.48 and 330,025.50 is: 495,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,646.58 : 1,915,035.48 = 330,025.50 : x
  2. Step 2: Convert to fraction form
    1,276,646.58/1,915,035.48 = 330,025.50/x
  3. Step 3: Cross multiply
    1,276,646.58x = 1,915,035.48 × 330,025.50
  4. Step 4: Simplify right side
    1,276,646.58x = 632,010,541,804.74
  5. Step 5: Solve for x
    x = 632,010,541,804.74/1,276,646.58
  6. Step 6: Final answer
    x = 495,055.21

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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.