Finding the Fourth Proportional to 1,411,699.22, 1,948,143.46 and 767,117.88
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Solution
The fourth proportional to 1,411,699.22, 1,948,143.46 and 767,117.88 is: 1,058,621.88
Step by Step Solution
- Step 1: Write the proportion equation
1,411,699.22 : 1,948,143.46 = 767,117.88 : x - Step 2: Convert to fraction form
1,411,699.22/1,948,143.46 = 767,117.88/x - Step 3: Cross multiply
1,411,699.22x = 1,948,143.46 × 767,117.88 - Step 4: Simplify right side
1,411,699.22x = 1,494,455,680,971.06 - Step 5: Solve for x
x = 1,494,455,680,971.06/1,411,699.22 - Step 6: Final answer
x = 1,058,621.88
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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.