Home / 1,441,746.22-1,989,587.91-788,374.36

Finding the Fourth Proportional to 1,441,746.22, 1,989,587.91 and 788,374.36

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Solution

The fourth proportional to 1,441,746.22, 1,989,587.91 and 788,374.36 is: 1,087,944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,746.22 : 1,989,587.91 = 788,374.36 : x
  2. Step 2: Convert to fraction form
    1,441,746.22/1,989,587.91 = 788,374.36/x
  3. Step 3: Cross multiply
    1,441,746.22x = 1,989,587.91 × 788,374.36
  4. Step 4: Simplify right side
    1,441,746.22x = 1,568,540,095,209.99
  5. Step 5: Solve for x
    x = 1,568,540,095,209.99/1,441,746.22
  6. Step 6: Final answer
    x = 1,087,944.66

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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.