Home / 1,384,630.63-1,910,660.73-803,699.65

Finding the Fourth Proportional to 1,384,630.63, 1,910,660.73 and 803,699.65

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Solution

The fourth proportional to 1,384,630.63, 1,910,660.73 and 803,699.65 is: 1,109,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,630.63 : 1,910,660.73 = 803,699.65 : x
  2. Step 2: Convert to fraction form
    1,384,630.63/1,910,660.73 = 803,699.65/x
  3. Step 3: Cross multiply
    1,384,630.63x = 1,910,660.73 × 803,699.65
  4. Step 4: Simplify right side
    1,384,630.63x = 1,535,597,359,969.74
  5. Step 5: Solve for x
    x = 1,535,597,359,969.74/1,384,630.63
  6. Step 6: Final answer
    x = 1,109,030.33

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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.