Home / 1,533,285.45-2,114,807.94-989,145.27

Finding the Fourth Proportional to 1,533,285.45, 2,114,807.94 and 989,145.27

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Solution

The fourth proportional to 1,533,285.45, 2,114,807.94 and 989,145.27 is: 1,364,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,285.45 : 2,114,807.94 = 989,145.27 : x
  2. Step 2: Convert to fraction form
    1,533,285.45/2,114,807.94 = 989,145.27/x
  3. Step 3: Cross multiply
    1,533,285.45x = 2,114,807.94 × 989,145.27
  4. Step 4: Simplify right side
    1,533,285.45x = 2,091,852,270,809.44
  5. Step 5: Solve for x
    x = 2,091,852,270,809.44/1,533,285.45
  6. Step 6: Final answer
    x = 1,364,294.09

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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.