Home / 1,055,931.57-1,458,388.35-715,809.33

Finding the Fourth Proportional to 1,055,931.57, 1,458,388.35 and 715,809.33

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Solution

The fourth proportional to 1,055,931.57, 1,458,388.35 and 715,809.33 is: 988,632.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,931.57 : 1,458,388.35 = 715,809.33 : x
  2. Step 2: Convert to fraction form
    1,055,931.57/1,458,388.35 = 715,809.33/x
  3. Step 3: Cross multiply
    1,055,931.57x = 1,458,388.35 × 715,809.33
  4. Step 4: Simplify right side
    1,055,931.57x = 1,043,927,987,693.31
  5. Step 5: Solve for x
    x = 1,043,927,987,693.31/1,055,931.57
  6. Step 6: Final answer
    x = 988,632.23

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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.