Home / 1,219,477.86-1,682,743.26-675,478.68

Finding the Fourth Proportional to 1,219,477.86, 1,682,743.26 and 675,478.68

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Solution

The fourth proportional to 1,219,477.86, 1,682,743.26 and 675,478.68 is: 932,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,477.86 : 1,682,743.26 = 675,478.68 : x
  2. Step 2: Convert to fraction form
    1,219,477.86/1,682,743.26 = 675,478.68/x
  3. Step 3: Cross multiply
    1,219,477.86x = 1,682,743.26 × 675,478.68
  4. Step 4: Simplify right side
    1,219,477.86x = 1,136,657,196,043.70
  5. Step 5: Solve for x
    x = 1,136,657,196,043.70/1,219,477.86
  6. Step 6: Final answer
    x = 932,085.14

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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.