Home / 1,369,241.27-1,889,407.54-757,296.80

Finding the Fourth Proportional to 1,369,241.27, 1,889,407.54 and 757,296.80

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Solution

The fourth proportional to 1,369,241.27, 1,889,407.54 and 757,296.80 is: 1,044,989.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,241.27 : 1,889,407.54 = 757,296.80 : x
  2. Step 2: Convert to fraction form
    1,369,241.27/1,889,407.54 = 757,296.80/x
  3. Step 3: Cross multiply
    1,369,241.27x = 1,889,407.54 × 757,296.80
  4. Step 4: Simplify right side
    1,369,241.27x = 1,430,842,283,937.87
  5. Step 5: Solve for x
    x = 1,430,842,283,937.87/1,369,241.27
  6. Step 6: Final answer
    x = 1,044,989.16

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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.