Home / 989,747.64-1,492,038.18-923,833.86

Finding the Fourth Proportional to 989,747.64, 1,492,038.18 and 923,833.86

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Solution

The fourth proportional to 989,747.64, 1,492,038.18 and 923,833.86 is: 1,392,673.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,747.64 : 1,492,038.18 = 923,833.86 : x
  2. Step 2: Convert to fraction form
    989,747.64/1,492,038.18 = 923,833.86/x
  3. Step 3: Cross multiply
    989,747.64x = 1,492,038.18 × 923,833.86
  4. Step 4: Simplify right side
    989,747.64x = 1,378,395,391,096.77
  5. Step 5: Solve for x
    x = 1,378,395,391,096.77/989,747.64
  6. Step 6: Final answer
    x = 1,392,673.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.