Home / 1,433,243.67-1,977,816.53-779,872.26

Finding the Fourth Proportional to 1,433,243.67, 1,977,816.53 and 779,872.26

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Solution

The fourth proportional to 1,433,243.67, 1,977,816.53 and 779,872.26 is: 1,076,191.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,243.67 : 1,977,816.53 = 779,872.26 : x
  2. Step 2: Convert to fraction form
    1,433,243.67/1,977,816.53 = 779,872.26/x
  3. Step 3: Cross multiply
    1,433,243.67x = 1,977,816.53 × 779,872.26
  4. Step 4: Simplify right side
    1,433,243.67x = 1,542,444,249,066.14
  5. Step 5: Solve for x
    x = 1,542,444,249,066.14/1,433,243.67
  6. Step 6: Final answer
    x = 1,076,191.22

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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.