Home / 1,404,859.78-1,938,712.68-760,280.07

Finding the Fourth Proportional to 1,404,859.78, 1,938,712.68 and 760,280.07

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Solution

The fourth proportional to 1,404,859.78, 1,938,712.68 and 760,280.07 is: 1,049,189.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,859.78 : 1,938,712.68 = 760,280.07 : x
  2. Step 2: Convert to fraction form
    1,404,859.78/1,938,712.68 = 760,280.07/x
  3. Step 3: Cross multiply
    1,404,859.78x = 1,938,712.68 × 760,280.07
  4. Step 4: Simplify right side
    1,404,859.78x = 1,473,964,608,258.89
  5. Step 5: Solve for x
    x = 1,473,964,608,258.89/1,404,859.78
  6. Step 6: Final answer
    x = 1,049,189.84

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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.