Home / 1,404,690.49-1,938,478.02-760,110.73

Finding the Fourth Proportional to 1,404,690.49, 1,938,478.02 and 760,110.73

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Solution

The fourth proportional to 1,404,690.49, 1,938,478.02 and 760,110.73 is: 1,048,955.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,690.49 : 1,938,478.02 = 760,110.73 : x
  2. Step 2: Convert to fraction form
    1,404,690.49/1,938,478.02 = 760,110.73/x
  3. Step 3: Cross multiply
    1,404,690.49x = 1,938,478.02 × 760,110.73
  4. Step 4: Simplify right side
    1,404,690.49x = 1,473,457,942,871.15
  5. Step 5: Solve for x
    x = 1,473,457,942,871.15/1,404,690.49
  6. Step 6: Final answer
    x = 1,048,955.59

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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.