Home / 1,404,689.49-1,938,476.64-760,109.73

Finding the Fourth Proportional to 1,404,689.49, 1,938,476.64 and 760,109.73

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Solution

The fourth proportional to 1,404,689.49, 1,938,476.64 and 760,109.73 is: 1,048,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,689.49 : 1,938,476.64 = 760,109.73 : x
  2. Step 2: Convert to fraction form
    1,404,689.49/1,938,476.64 = 760,109.73/x
  3. Step 3: Cross multiply
    1,404,689.49x = 1,938,476.64 × 760,109.73
  4. Step 4: Simplify right side
    1,404,689.49x = 1,473,454,955,441.71
  5. Step 5: Solve for x
    x = 1,473,454,955,441.71/1,404,689.49
  6. Step 6: Final answer
    x = 1,048,954.21

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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.