Home / 1,046,128.76-1,440,907.74-803,947.64

Finding the Fourth Proportional to 1,046,128.76, 1,440,907.74 and 803,947.64

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Solution

The fourth proportional to 1,046,128.76, 1,440,907.74 and 803,947.64 is: 1,107,334.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,128.76 : 1,440,907.74 = 803,947.64 : x
  2. Step 2: Convert to fraction form
    1,046,128.76/1,440,907.74 = 803,947.64/x
  3. Step 3: Cross multiply
    1,046,128.76x = 1,440,907.74 × 803,947.64
  4. Step 4: Simplify right side
    1,046,128.76x = 1,158,414,377,030.73
  5. Step 5: Solve for x
    x = 1,158,414,377,030.73/1,046,128.76
  6. Step 6: Final answer
    x = 1,107,334.41

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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.