Home / 1,004,665.32-1,385,636.31-660,854.34

Finding the Fourth Proportional to 1,004,665.32, 1,385,636.31 and 660,854.34

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Solution

The fourth proportional to 1,004,665.32, 1,385,636.31 and 660,854.34 is: 911,451.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,665.32 : 1,385,636.31 = 660,854.34 : x
  2. Step 2: Convert to fraction form
    1,004,665.32/1,385,636.31 = 660,854.34/x
  3. Step 3: Cross multiply
    1,004,665.32x = 1,385,636.31 × 660,854.34
  4. Step 4: Simplify right side
    1,004,665.32x = 915,703,769,125.09
  5. Step 5: Solve for x
    x = 915,703,769,125.09/1,004,665.32
  6. Step 6: Final answer
    x = 911,451.56

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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.