Home / 1,219,368.86-1,682,606.37-675,403.03

Finding the Fourth Proportional to 1,219,368.86, 1,682,606.37 and 675,403.03

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Solution

The fourth proportional to 1,219,368.86, 1,682,606.37 and 675,403.03 is: 931,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,368.86 : 1,682,606.37 = 675,403.03 : x
  2. Step 2: Convert to fraction form
    1,219,368.86/1,682,606.37 = 675,403.03/x
  3. Step 3: Cross multiply
    1,219,368.86x = 1,682,606.37 × 675,403.03
  4. Step 4: Simplify right side
    1,219,368.86x = 1,136,437,436,388.79
  5. Step 5: Solve for x
    x = 1,136,437,436,388.79/1,219,368.86
  6. Step 6: Final answer
    x = 931,988.24

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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.