Home / 1,404,861.78-1,938,709.44-760,282.14

Finding the Fourth Proportional to 1,404,861.78, 1,938,709.44 and 760,282.14

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Solution

The fourth proportional to 1,404,861.78, 1,938,709.44 and 760,282.14 is: 1,049,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,861.78 : 1,938,709.44 = 760,282.14 : x
  2. Step 2: Convert to fraction form
    1,404,861.78/1,938,709.44 = 760,282.14/x
  3. Step 3: Cross multiply
    1,404,861.78x = 1,938,709.44 × 760,282.14
  4. Step 4: Simplify right side
    1,404,861.78x = 1,473,966,161,881.40
  5. Step 5: Solve for x
    x = 1,473,966,161,881.40/1,404,861.78
  6. Step 6: Final answer
    x = 1,049,189.45

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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.