Home / 1,345,421.61-1,856,696.49-733,569.48

Finding the Fourth Proportional to 1,345,421.61, 1,856,696.49 and 733,569.48

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Solution

The fourth proportional to 1,345,421.61, 1,856,696.49 and 733,569.48 is: 1,012,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,421.61 : 1,856,696.49 = 733,569.48 : x
  2. Step 2: Convert to fraction form
    1,345,421.61/1,856,696.49 = 733,569.48/x
  3. Step 3: Cross multiply
    1,345,421.61x = 1,856,696.49 × 733,569.48
  4. Step 4: Simplify right side
    1,345,421.61x = 1,362,015,878,687.13
  5. Step 5: Solve for x
    x = 1,362,015,878,687.13/1,345,421.61
  6. Step 6: Final answer
    x = 1,012,333.88

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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.