Home / 806,365.05-1,208,128.47-758,363.22

Finding the Fourth Proportional to 806,365.05, 1,208,128.47 and 758,363.22

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Solution

The fourth proportional to 806,365.05, 1,208,128.47 and 758,363.22 is: 1,136,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,365.05 : 1,208,128.47 = 758,363.22 : x
  2. Step 2: Convert to fraction form
    806,365.05/1,208,128.47 = 758,363.22/x
  3. Step 3: Cross multiply
    806,365.05x = 1,208,128.47 × 758,363.22
  4. Step 4: Simplify right side
    806,365.05x = 916,200,196,682.87
  5. Step 5: Solve for x
    x = 916,200,196,682.87/806,365.05
  6. Step 6: Final answer
    x = 1,136,210.20

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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.