Home / 1,397,026.25-1,927,913.60-845,734.64

Finding the Fourth Proportional to 1,397,026.25, 1,927,913.60 and 845,734.64

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Solution

The fourth proportional to 1,397,026.25, 1,927,913.60 and 845,734.64 is: 1,167,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,026.25 : 1,927,913.60 = 845,734.64 : x
  2. Step 2: Convert to fraction form
    1,397,026.25/1,927,913.60 = 845,734.64/x
  3. Step 3: Cross multiply
    1,397,026.25x = 1,927,913.60 × 845,734.64
  4. Step 4: Simplify right side
    1,397,026.25x = 1,630,503,315,038.21
  5. Step 5: Solve for x
    x = 1,630,503,315,038.21/1,397,026.25
  6. Step 6: Final answer
    x = 1,167,124.33

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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.