Home / 1,025,564.19-1,538,492.09-315,651.39

Finding the Fourth Proportional to 1,025,564.19, 1,538,492.09 and 315,651.39

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Solution

The fourth proportional to 1,025,564.19, 1,538,492.09 and 315,651.39 is: 473,521.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,564.19 : 1,538,492.09 = 315,651.39 : x
  2. Step 2: Convert to fraction form
    1,025,564.19/1,538,492.09 = 315,651.39/x
  3. Step 3: Cross multiply
    1,025,564.19x = 1,538,492.09 × 315,651.39
  4. Step 4: Simplify right side
    1,025,564.19x = 485,627,165,134.25
  5. Step 5: Solve for x
    x = 485,627,165,134.25/1,025,564.19
  6. Step 6: Final answer
    x = 473,521.96

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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.