Home / 1,404,768.28-1,938,580.23-760,188.48

Finding the Fourth Proportional to 1,404,768.28, 1,938,580.23 and 760,188.48

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Solution

The fourth proportional to 1,404,768.28, 1,938,580.23 and 760,188.48 is: 1,049,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,768.28 : 1,938,580.23 = 760,188.48 : x
  2. Step 2: Convert to fraction form
    1,404,768.28/1,938,580.23 = 760,188.48/x
  3. Step 3: Cross multiply
    1,404,768.28x = 1,938,580.23 × 760,188.48
  4. Step 4: Simplify right side
    1,404,768.28x = 1,473,686,358,401.75
  5. Step 5: Solve for x
    x = 1,473,686,358,401.75/1,404,768.28
  6. Step 6: Final answer
    x = 1,049,060.10

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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.