Home / 1,219,176.72-1,682,389.65-675,280.26

Finding the Fourth Proportional to 1,219,176.72, 1,682,389.65 and 675,280.26

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Solution

The fourth proportional to 1,219,176.72, 1,682,389.65 and 675,280.26 is: 931,845.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,176.72 : 1,682,389.65 = 675,280.26 : x
  2. Step 2: Convert to fraction form
    1,219,176.72/1,682,389.65 = 675,280.26/x
  3. Step 3: Cross multiply
    1,219,176.72x = 1,682,389.65 × 675,280.26
  4. Step 4: Simplify right side
    1,219,176.72x = 1,136,084,520,273.31
  5. Step 5: Solve for x
    x = 1,136,084,520,273.31/1,219,176.72
  6. Step 6: Final answer
    x = 931,845.65

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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.