Home / 1,542,887.69-2,314,701.03-643,829.30

Finding the Fourth Proportional to 1,542,887.69, 2,314,701.03 and 643,829.30

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Solution

The fourth proportional to 1,542,887.69, 2,314,701.03 and 643,829.30 is: 965,898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,887.69 : 2,314,701.03 = 643,829.30 : x
  2. Step 2: Convert to fraction form
    1,542,887.69/2,314,701.03 = 643,829.30/x
  3. Step 3: Cross multiply
    1,542,887.69x = 2,314,701.03 × 643,829.30
  4. Step 4: Simplify right side
    1,542,887.69x = 1,490,272,332,280.67
  5. Step 5: Solve for x
    x = 1,490,272,332,280.67/1,542,887.69
  6. Step 6: Final answer
    x = 965,898.13

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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.