Home / 1,369,238.92-1,889,404.25-757,294.45

Finding the Fourth Proportional to 1,369,238.92, 1,889,404.25 and 757,294.45

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Solution

The fourth proportional to 1,369,238.92, 1,889,404.25 and 757,294.45 is: 1,044,985.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,238.92 : 1,889,404.25 = 757,294.45 : x
  2. Step 2: Convert to fraction form
    1,369,238.92/1,889,404.25 = 757,294.45/x
  3. Step 3: Cross multiply
    1,369,238.92x = 1,889,404.25 × 757,294.45
  4. Step 4: Simplify right side
    1,369,238.92x = 1,430,835,343,821.43
  5. Step 5: Solve for x
    x = 1,430,835,343,821.43/1,369,238.92
  6. Step 6: Final answer
    x = 1,044,985.89

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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.