Home / 1,055,917.32-1,458,368.46-715,795.08

Finding the Fourth Proportional to 1,055,917.32, 1,458,368.46 and 715,795.08

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Solution

The fourth proportional to 1,055,917.32, 1,458,368.46 and 715,795.08 is: 988,612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,917.32 : 1,458,368.46 = 715,795.08 : x
  2. Step 2: Convert to fraction form
    1,055,917.32/1,458,368.46 = 715,795.08/x
  3. Step 3: Cross multiply
    1,055,917.32x = 1,458,368.46 × 715,795.08
  4. Step 4: Simplify right side
    1,055,917.32x = 1,043,892,968,495.18
  5. Step 5: Solve for x
    x = 1,043,892,968,495.18/1,055,917.32
  6. Step 6: Final answer
    x = 988,612.41

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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.