Home / 1,369,240.92-1,889,407-757,296.45

Finding the Fourth Proportional to 1,369,240.92, 1,889,407 and 757,296.45

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Solution

The fourth proportional to 1,369,240.92, 1,889,407 and 757,296.45 is: 1,044,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,240.92 : 1,889,407 = 757,296.45 : x
  2. Step 2: Convert to fraction form
    1,369,240.92/1,889,407 = 757,296.45/x
  3. Step 3: Cross multiply
    1,369,240.92x = 1,889,407 × 757,296.45
  4. Step 4: Simplify right side
    1,369,240.92x = 1,430,841,213,705.15
  5. Step 5: Solve for x
    x = 1,430,841,213,705.15/1,369,240.92
  6. Step 6: Final answer
    x = 1,044,988.65

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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.