Home / 1,369,239.27-1,889,404.79-757,294.80

Finding the Fourth Proportional to 1,369,239.27, 1,889,404.79 and 757,294.80

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Solution

The fourth proportional to 1,369,239.27, 1,889,404.79 and 757,294.80 is: 1,044,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,239.27 : 1,889,404.79 = 757,294.80 : x
  2. Step 2: Convert to fraction form
    1,369,239.27/1,889,404.79 = 757,294.80/x
  3. Step 3: Cross multiply
    1,369,239.27x = 1,889,404.79 × 757,294.80
  4. Step 4: Simplify right side
    1,369,239.27x = 1,430,836,418,775.62
  5. Step 5: Solve for x
    x = 1,430,836,418,775.62/1,369,239.27
  6. Step 6: Final answer
    x = 1,044,986.40

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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.