Home / 1,442,599.60-1,990,788.86-798,063.36

Finding the Fourth Proportional to 1,442,599.60, 1,990,788.86 and 798,063.36

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Solution

The fourth proportional to 1,442,599.60, 1,990,788.86 and 798,063.36 is: 1,101,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,599.60 : 1,990,788.86 = 798,063.36 : x
  2. Step 2: Convert to fraction form
    1,442,599.60/1,990,788.86 = 798,063.36/x
  3. Step 3: Cross multiply
    1,442,599.60x = 1,990,788.86 × 798,063.36
  4. Step 4: Simplify right side
    1,442,599.60x = 1,588,775,646,662.17
  5. Step 5: Solve for x
    x = 1,588,775,646,662.17/1,442,599.60
  6. Step 6: Final answer
    x = 1,101,328.22

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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.