Home / 1,543,111.38-2,313,821.43-477,857.70

Finding the Fourth Proportional to 1,543,111.38, 2,313,821.43 and 477,857.70

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Solution

The fourth proportional to 1,543,111.38, 2,313,821.43 and 477,857.70 is: 716,524.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,111.38 : 2,313,821.43 = 477,857.70 : x
  2. Step 2: Convert to fraction form
    1,543,111.38/2,313,821.43 = 477,857.70/x
  3. Step 3: Cross multiply
    1,543,111.38x = 2,313,821.43 × 477,857.70
  4. Step 4: Simplify right side
    1,543,111.38x = 1,105,677,386,750.51
  5. Step 5: Solve for x
    x = 1,105,677,386,750.51/1,543,111.38
  6. Step 6: Final answer
    x = 716,524.68

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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.