Home / 1,025,939.07-1,538,835.71-315,893.07

Finding the Fourth Proportional to 1,025,939.07, 1,538,835.71 and 315,893.07

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Solution

The fourth proportional to 1,025,939.07, 1,538,835.71 and 315,893.07 is: 473,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,939.07 : 1,538,835.71 = 315,893.07 : x
  2. Step 2: Convert to fraction form
    1,025,939.07/1,538,835.71 = 315,893.07/x
  3. Step 3: Cross multiply
    1,025,939.07x = 1,538,835.71 × 315,893.07
  4. Step 4: Simplify right side
    1,025,939.07x = 486,107,535,078.06
  5. Step 5: Solve for x
    x = 486,107,535,078.06/1,025,939.07
  6. Step 6: Final answer
    x = 473,817.16

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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.