Home / 1,025,971.59-1,538,920.32-315,981.48

Finding the Fourth Proportional to 1,025,971.59, 1,538,920.32 and 315,981.48

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Solution

The fourth proportional to 1,025,971.59, 1,538,920.32 and 315,981.48 is: 473,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,971.59 : 1,538,920.32 = 315,981.48 : x
  2. Step 2: Convert to fraction form
    1,025,971.59/1,538,920.32 = 315,981.48/x
  3. Step 3: Cross multiply
    1,025,971.59x = 1,538,920.32 × 315,981.48
  4. Step 4: Simplify right side
    1,025,971.59x = 486,270,320,315.67
  5. Step 5: Solve for x
    x = 486,270,320,315.67/1,025,971.59
  6. Step 6: Final answer
    x = 473,960.80

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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.