Home / 1,148,448.06-1,584,949.86-665,021.75

Finding the Fourth Proportional to 1,148,448.06, 1,584,949.86 and 665,021.75

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Solution

The fourth proportional to 1,148,448.06, 1,584,949.86 and 665,021.75 is: 917,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,448.06 : 1,584,949.86 = 665,021.75 : x
  2. Step 2: Convert to fraction form
    1,148,448.06/1,584,949.86 = 665,021.75/x
  3. Step 3: Cross multiply
    1,148,448.06x = 1,584,949.86 × 665,021.75
  4. Step 4: Simplify right side
    1,148,448.06x = 1,054,026,121,634.71
  5. Step 5: Solve for x
    x = 1,054,026,121,634.71/1,148,448.06
  6. Step 6: Final answer
    x = 917,783.01

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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.