Home / 1,369,240.77-1,889,406.86-757,296.30

Finding the Fourth Proportional to 1,369,240.77, 1,889,406.86 and 757,296.30

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Solution

The fourth proportional to 1,369,240.77, 1,889,406.86 and 757,296.30 is: 1,044,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,240.77 : 1,889,406.86 = 757,296.30 : x
  2. Step 2: Convert to fraction form
    1,369,240.77/1,889,406.86 = 757,296.30/x
  3. Step 3: Cross multiply
    1,369,240.77x = 1,889,406.86 × 757,296.30
  4. Step 4: Simplify right side
    1,369,240.77x = 1,430,840,820,486.14
  5. Step 5: Solve for x
    x = 1,430,840,820,486.14/1,369,240.77
  6. Step 6: Final answer
    x = 1,044,988.47

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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.