Home / 1,534,235.33-2,116,730.78-990,738.49

Finding the Fourth Proportional to 1,534,235.33, 2,116,730.78 and 990,738.49

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Solution

The fourth proportional to 1,534,235.33, 2,116,730.78 and 990,738.49 is: 1,366,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,235.33 : 2,116,730.78 = 990,738.49 : x
  2. Step 2: Convert to fraction form
    1,534,235.33/2,116,730.78 = 990,738.49/x
  3. Step 3: Cross multiply
    1,534,235.33x = 2,116,730.78 × 990,738.49
  4. Step 4: Simplify right side
    1,534,235.33x = 2,097,126,654,152.34
  5. Step 5: Solve for x
    x = 2,097,126,654,152.34/1,534,235.33
  6. Step 6: Final answer
    x = 1,366,887.22

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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.