Home / 1,276,655.58-1,915,048.98-330,034.50

Finding the Fourth Proportional to 1,276,655.58, 1,915,048.98 and 330,034.50

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Solution

The fourth proportional to 1,276,655.58, 1,915,048.98 and 330,034.50 is: 495,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,655.58 : 1,915,048.98 = 330,034.50 : x
  2. Step 2: Convert to fraction form
    1,276,655.58/1,915,048.98 = 330,034.50/x
  3. Step 3: Cross multiply
    1,276,655.58x = 1,915,048.98 × 330,034.50
  4. Step 4: Simplify right side
    1,276,655.58x = 632,032,232,589.81
  5. Step 5: Solve for x
    x = 632,032,232,589.81/1,276,655.58
  6. Step 6: Final answer
    x = 495,068.71

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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.