Home / 1,404,715.52-1,938,512.62-760,135.70

Finding the Fourth Proportional to 1,404,715.52, 1,938,512.62 and 760,135.70

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Solution

The fourth proportional to 1,404,715.52, 1,938,512.62 and 760,135.70 is: 1,048,990.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,715.52 : 1,938,512.62 = 760,135.70 : x
  2. Step 2: Convert to fraction form
    1,404,715.52/1,938,512.62 = 760,135.70/x
  3. Step 3: Cross multiply
    1,404,715.52x = 1,938,512.62 × 760,135.70
  4. Step 4: Simplify right side
    1,404,715.52x = 1,473,532,647,362.53
  5. Step 5: Solve for x
    x = 1,473,532,647,362.53/1,404,715.52
  6. Step 6: Final answer
    x = 1,048,990.08

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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.