Home / 1,155,889.09-1,595,211.06-646,755.49

Finding the Fourth Proportional to 1,155,889.09, 1,595,211.06 and 646,755.49

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Solution

The fourth proportional to 1,155,889.09, 1,595,211.06 and 646,755.49 is: 892,569.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,889.09 : 1,595,211.06 = 646,755.49 : x
  2. Step 2: Convert to fraction form
    1,155,889.09/1,595,211.06 = 646,755.49/x
  3. Step 3: Cross multiply
    1,155,889.09x = 1,595,211.06 × 646,755.49
  4. Step 4: Simplify right side
    1,155,889.09x = 1,031,711,510,763.72
  5. Step 5: Solve for x
    x = 1,031,711,510,763.72/1,155,889.09
  6. Step 6: Final answer
    x = 892,569.64

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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.