Finding the Fourth Proportional to 1,334,985.16, 1,842,454.74 and 761,893.96
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Solution
The fourth proportional to 1,334,985.16, 1,842,454.74 and 761,893.96 is: 1,051,513.66
Step by Step Solution
- Step 1: Write the proportion equation
1,334,985.16 : 1,842,454.74 = 761,893.96 : x - Step 2: Convert to fraction form
1,334,985.16/1,842,454.74 = 761,893.96/x - Step 3: Cross multiply
1,334,985.16x = 1,842,454.74 × 761,893.96 - Step 4: Simplify right side
1,334,985.16x = 1,403,755,137,979.37 - Step 5: Solve for x
x = 1,403,755,137,979.37/1,334,985.16 - Step 6: Final answer
x = 1,051,513.66
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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.