Home / 1,146,865.86-1,582,915.70-727,490.40

Finding the Fourth Proportional to 1,146,865.86, 1,582,915.70 and 727,490.40

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Solution

The fourth proportional to 1,146,865.86, 1,582,915.70 and 727,490.40 is: 1,004,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,865.86 : 1,582,915.70 = 727,490.40 : x
  2. Step 2: Convert to fraction form
    1,146,865.86/1,582,915.70 = 727,490.40/x
  3. Step 3: Cross multiply
    1,146,865.86x = 1,582,915.70 × 727,490.40
  4. Step 4: Simplify right side
    1,146,865.86x = 1,151,555,975,759.28
  5. Step 5: Solve for x
    x = 1,151,555,975,759.28/1,146,865.86
  6. Step 6: Final answer
    x = 1,004,089.51

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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.