Home / 1,542,887.81-2,314,701.22-643,829.42

Finding the Fourth Proportional to 1,542,887.81, 2,314,701.22 and 643,829.42

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Solution

The fourth proportional to 1,542,887.81, 2,314,701.22 and 643,829.42 is: 965,898.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,887.81 : 2,314,701.22 = 643,829.42 : x
  2. Step 2: Convert to fraction form
    1,542,887.81/2,314,701.22 = 643,829.42/x
  3. Step 3: Cross multiply
    1,542,887.81x = 2,314,701.22 × 643,829.42
  4. Step 4: Simplify right side
    1,542,887.81x = 1,490,272,743,945.89
  5. Step 5: Solve for x
    x = 1,490,272,743,945.89/1,542,887.81
  6. Step 6: Final answer
    x = 965,898.32

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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.