Home / 1,128,117.06-1,692,054.99-318,481.56

Finding the Fourth Proportional to 1,128,117.06, 1,692,054.99 and 318,481.56

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Solution

The fourth proportional to 1,128,117.06, 1,692,054.99 and 318,481.56 is: 477,688.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,117.06 : 1,692,054.99 = 318,481.56 : x
  2. Step 2: Convert to fraction form
    1,128,117.06/1,692,054.99 = 318,481.56/x
  3. Step 3: Cross multiply
    1,128,117.06x = 1,692,054.99 × 318,481.56
  4. Step 4: Simplify right side
    1,128,117.06x = 538,888,312,820.98
  5. Step 5: Solve for x
    x = 538,888,312,820.98/1,128,117.06
  6. Step 6: Final answer
    x = 477,688.29

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1.5x scale

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.