Home / 1,004,958.09-1,386,220.23-660,833.64

Finding the Fourth Proportional to 1,004,958.09, 1,386,220.23 and 660,833.64

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Solution

The fourth proportional to 1,004,958.09, 1,386,220.23 and 660,833.64 is: 911,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,958.09 : 1,386,220.23 = 660,833.64 : x
  2. Step 2: Convert to fraction form
    1,004,958.09/1,386,220.23 = 660,833.64/x
  3. Step 3: Cross multiply
    1,004,958.09x = 1,386,220.23 × 660,833.64
  4. Step 4: Simplify right side
    1,004,958.09x = 916,060,960,432.54
  5. Step 5: Solve for x
    x = 916,060,960,432.54/1,004,958.09
  6. Step 6: Final answer
    x = 911,541.46

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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.