Home / 1,543,668.77-2,130,260.78-855,385.18

Finding the Fourth Proportional to 1,543,668.77, 2,130,260.78 and 855,385.18

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Solution

The fourth proportional to 1,543,668.77, 2,130,260.78 and 855,385.18 is: 1,180,430.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,668.77 : 2,130,260.78 = 855,385.18 : x
  2. Step 2: Convert to fraction form
    1,543,668.77/2,130,260.78 = 855,385.18/x
  3. Step 3: Cross multiply
    1,543,668.77x = 2,130,260.78 × 855,385.18
  4. Step 4: Simplify right side
    1,543,668.77x = 1,822,193,497,560.05
  5. Step 5: Solve for x
    x = 1,822,193,497,560.05/1,543,668.77
  6. Step 6: Final answer
    x = 1,180,430.37

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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.