Home / 1,421,774.47-1,962,048.91-777,197.33

Finding the Fourth Proportional to 1,421,774.47, 1,962,048.91 and 777,197.33

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Solution

The fourth proportional to 1,421,774.47, 1,962,048.91 and 777,197.33 is: 1,072,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,774.47 : 1,962,048.91 = 777,197.33 : x
  2. Step 2: Convert to fraction form
    1,421,774.47/1,962,048.91 = 777,197.33/x
  3. Step 3: Cross multiply
    1,421,774.47x = 1,962,048.91 × 777,197.33
  4. Step 4: Simplify right side
    1,421,774.47x = 1,524,899,164,371.17
  5. Step 5: Solve for x
    x = 1,524,899,164,371.17/1,421,774.47
  6. Step 6: Final answer
    x = 1,072,532.39

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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.