Home / 1,111,161.06-1,533,388.86-675,434.10

Finding the Fourth Proportional to 1,111,161.06, 1,533,388.86 and 675,434.10

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Solution

The fourth proportional to 1,111,161.06, 1,533,388.86 and 675,434.10 is: 932,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,161.06 : 1,533,388.86 = 675,434.10 : x
  2. Step 2: Convert to fraction form
    1,111,161.06/1,533,388.86 = 675,434.10/x
  3. Step 3: Cross multiply
    1,111,161.06x = 1,533,388.86 × 675,434.10
  4. Step 4: Simplify right side
    1,111,161.06x = 1,035,703,124,604.13
  5. Step 5: Solve for x
    x = 1,035,703,124,604.13/1,111,161.06
  6. Step 6: Final answer
    x = 932,090.91

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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.