Home / 1,307,425.54-1,803,728.42-756,039.36

Finding the Fourth Proportional to 1,307,425.54, 1,803,728.42 and 756,039.36

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Solution

The fourth proportional to 1,307,425.54, 1,803,728.42 and 756,039.36 is: 1,043,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,425.54 : 1,803,728.42 = 756,039.36 : x
  2. Step 2: Convert to fraction form
    1,307,425.54/1,803,728.42 = 756,039.36/x
  3. Step 3: Cross multiply
    1,307,425.54x = 1,803,728.42 × 756,039.36
  4. Step 4: Simplify right side
    1,307,425.54x = 1,363,689,680,270.61
  5. Step 5: Solve for x
    x = 1,363,689,680,270.61/1,307,425.54
  6. Step 6: Final answer
    x = 1,043,034.30

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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.