Home / 1,208,932.04-1,668,260.31-664,980.01

Finding the Fourth Proportional to 1,208,932.04, 1,668,260.31 and 664,980.01

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Solution

The fourth proportional to 1,208,932.04, 1,668,260.31 and 664,980.01 is: 917,636.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,932.04 : 1,668,260.31 = 664,980.01 : x
  2. Step 2: Convert to fraction form
    1,208,932.04/1,668,260.31 = 664,980.01/x
  3. Step 3: Cross multiply
    1,208,932.04x = 1,668,260.31 × 664,980.01
  4. Step 4: Simplify right side
    1,208,932.04x = 1,109,359,749,285.10
  5. Step 5: Solve for x
    x = 1,109,359,749,285.10/1,208,932.04
  6. Step 6: Final answer
    x = 917,636.16

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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.