Home / 1,329,387.94-1,834,451.77-785,420.55

Finding the Fourth Proportional to 1,329,387.94, 1,834,451.77 and 785,420.55

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Solution

The fourth proportional to 1,329,387.94, 1,834,451.77 and 785,420.55 is: 1,083,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,387.94 : 1,834,451.77 = 785,420.55 : x
  2. Step 2: Convert to fraction form
    1,329,387.94/1,834,451.77 = 785,420.55/x
  3. Step 3: Cross multiply
    1,329,387.94x = 1,834,451.77 × 785,420.55
  4. Step 4: Simplify right side
    1,329,387.94x = 1,440,816,117,650.99
  5. Step 5: Solve for x
    x = 1,440,816,117,650.99/1,329,387.94
  6. Step 6: Final answer
    x = 1,083,819.16

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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.