Home / 1,379,779.02-2,069,582.13-515,045.22

Finding the Fourth Proportional to 1,379,779.02, 2,069,582.13 and 515,045.22

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Solution

The fourth proportional to 1,379,779.02, 2,069,582.13 and 515,045.22 is: 772,535.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,779.02 : 2,069,582.13 = 515,045.22 : x
  2. Step 2: Convert to fraction form
    1,379,779.02/2,069,582.13 = 515,045.22/x
  3. Step 3: Cross multiply
    1,379,779.02x = 2,069,582.13 × 515,045.22
  4. Step 4: Simplify right side
    1,379,779.02x = 1,065,928,383,453.92
  5. Step 5: Solve for x
    x = 1,065,928,383,453.92/1,379,779.02
  6. Step 6: Final answer
    x = 772,535.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.