Home / 1,290,498.48-1,935,743.40-330,953.04

Finding the Fourth Proportional to 1,290,498.48, 1,935,743.40 and 330,953.04

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Solution

The fourth proportional to 1,290,498.48, 1,935,743.40 and 330,953.04 is: 496,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,498.48 : 1,935,743.40 = 330,953.04 : x
  2. Step 2: Convert to fraction form
    1,290,498.48/1,935,743.40 = 330,953.04/x
  3. Step 3: Cross multiply
    1,290,498.48x = 1,935,743.40 × 330,953.04
  4. Step 4: Simplify right side
    1,290,498.48x = 640,640,162,889.94
  5. Step 5: Solve for x
    x = 640,640,162,889.94/1,290,498.48
  6. Step 6: Final answer
    x = 496,428.45

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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.