Home / 1,530,478.08-2,111,489.28-957,300.48

Finding the Fourth Proportional to 1,530,478.08, 2,111,489.28 and 957,300.48

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Solution

The fourth proportional to 1,530,478.08, 2,111,489.28 and 957,300.48 is: 1,320,717.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,478.08 : 2,111,489.28 = 957,300.48 : x
  2. Step 2: Convert to fraction form
    1,530,478.08/2,111,489.28 = 957,300.48/x
  3. Step 3: Cross multiply
    1,530,478.08x = 2,111,489.28 × 957,300.48
  4. Step 4: Simplify right side
    1,530,478.08x = 2,021,329,701,258.85
  5. Step 5: Solve for x
    x = 2,021,329,701,258.85/1,530,478.08
  6. Step 6: Final answer
    x = 1,320,717.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.