Home / 1,455,792.70-2,183,689.05-658,631.20

Finding the Fourth Proportional to 1,455,792.70, 2,183,689.05 and 658,631.20

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Solution

The fourth proportional to 1,455,792.70, 2,183,689.05 and 658,631.20 is: 987,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,792.70 : 2,183,689.05 = 658,631.20 : x
  2. Step 2: Convert to fraction form
    1,455,792.70/2,183,689.05 = 658,631.20/x
  3. Step 3: Cross multiply
    1,455,792.70x = 2,183,689.05 × 658,631.20
  4. Step 4: Simplify right side
    1,455,792.70x = 1,438,245,739,428.36
  5. Step 5: Solve for x
    x = 1,438,245,739,428.36/1,455,792.70
  6. Step 6: Final answer
    x = 987,946.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.