Finding the Fourth Proportional to 1,411,935.80, 1,948,486.49 and 767,356.02
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Solution
The fourth proportional to 1,411,935.80, 1,948,486.49 and 767,356.02 is: 1,058,959.51
Step by Step Solution
- Step 1: Write the proportion equation
1,411,935.80 : 1,948,486.49 = 767,356.02 : x - Step 2: Convert to fraction form
1,411,935.80/1,948,486.49 = 767,356.02/x - Step 3: Cross multiply
1,411,935.80x = 1,948,486.49 × 767,356.02 - Step 4: Simplify right side
1,411,935.80x = 1,495,182,834,153.39 - Step 5: Solve for x
x = 1,495,182,834,153.39/1,411,935.80 - Step 6: Final answer
x = 1,058,959.51
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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.