Home / 1,008,078.35-1,512,117.53-889,980.35

Finding the Fourth Proportional to 1,008,078.35, 1,512,117.53 and 889,980.35

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Solution

The fourth proportional to 1,008,078.35, 1,512,117.53 and 889,980.35 is: 1,334,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,078.35 : 1,512,117.53 = 889,980.35 : x
  2. Step 2: Convert to fraction form
    1,008,078.35/1,512,117.53 = 889,980.35/x
  3. Step 3: Cross multiply
    1,008,078.35x = 1,512,117.53 × 889,980.35
  4. Step 4: Simplify right side
    1,008,078.35x = 1,345,754,888,590.54
  5. Step 5: Solve for x
    x = 1,345,754,888,590.54/1,008,078.35
  6. Step 6: Final answer
    x = 1,334,970.53

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.