Home / 1,138,353.48-1,570,928.34-629,055.84

Finding the Fourth Proportional to 1,138,353.48, 1,570,928.34 and 629,055.84

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Solution

The fourth proportional to 1,138,353.48, 1,570,928.34 and 629,055.84 is: 868,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,353.48 : 1,570,928.34 = 629,055.84 : x
  2. Step 2: Convert to fraction form
    1,138,353.48/1,570,928.34 = 629,055.84/x
  3. Step 3: Cross multiply
    1,138,353.48x = 1,570,928.34 × 629,055.84
  4. Step 4: Simplify right side
    1,138,353.48x = 988,201,646,498.51
  5. Step 5: Solve for x
    x = 988,201,646,498.51/1,138,353.48
  6. Step 6: Final answer
    x = 868,097.36

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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.