Home / 1,429,334.69-1,972,485.72-784,796.63

Finding the Fourth Proportional to 1,429,334.69, 1,972,485.72 and 784,796.63

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Solution

The fourth proportional to 1,429,334.69, 1,972,485.72 and 784,796.63 is: 1,083,021.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,334.69 : 1,972,485.72 = 784,796.63 : x
  2. Step 2: Convert to fraction form
    1,429,334.69/1,972,485.72 = 784,796.63/x
  3. Step 3: Cross multiply
    1,429,334.69x = 1,972,485.72 × 784,796.63
  4. Step 4: Simplify right side
    1,429,334.69x = 1,548,000,135,916.70
  5. Step 5: Solve for x
    x = 1,548,000,135,916.70/1,429,334.69
  6. Step 6: Final answer
    x = 1,083,021.46

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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.