Home / 1,409,648.25-1,945,316.48-765,068.45

Finding the Fourth Proportional to 1,409,648.25, 1,945,316.48 and 765,068.45

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Solution

The fourth proportional to 1,409,648.25, 1,945,316.48 and 765,068.45 is: 1,055,795.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,648.25 : 1,945,316.48 = 765,068.45 : x
  2. Step 2: Convert to fraction form
    1,409,648.25/1,945,316.48 = 765,068.45/x
  3. Step 3: Cross multiply
    1,409,648.25x = 1,945,316.48 × 765,068.45
  4. Step 4: Simplify right side
    1,409,648.25x = 1,488,300,264,113.06
  5. Step 5: Solve for x
    x = 1,488,300,264,113.06/1,409,648.25
  6. Step 6: Final answer
    x = 1,055,795.49

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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.