Finding the Fourth Proportional to 1,030,948.49, 1,422,640.55 and 572,033.97
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Solution
The fourth proportional to 1,030,948.49, 1,422,640.55 and 572,033.97 is: 789,368.95
Step by Step Solution
- Step 1: Write the proportion equation
1,030,948.49 : 1,422,640.55 = 572,033.97 : x - Step 2: Convert to fraction form
1,030,948.49/1,422,640.55 = 572,033.97/x - Step 3: Cross multiply
1,030,948.49x = 1,422,640.55 × 572,033.97 - Step 4: Simplify right side
1,030,948.49x = 813,798,718,839.31 - Step 5: Solve for x
x = 813,798,718,839.31/1,030,948.49 - Step 6: Final answer
x = 789,368.95
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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.