Finding the Fourth Proportional to 1,026,521.74, 1,416,129.15 and 664,062.49
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Solution
The fourth proportional to 1,026,521.74, 1,416,129.15 and 664,062.49 is: 916,101.63
Step by Step Solution
- Step 1: Write the proportion equation
1,026,521.74 : 1,416,129.15 = 664,062.49 : x - Step 2: Convert to fraction form
1,026,521.74/1,416,129.15 = 664,062.49/x - Step 3: Cross multiply
1,026,521.74x = 1,416,129.15 × 664,062.49 - Step 4: Simplify right side
1,026,521.74x = 940,398,243,937.58 - Step 5: Solve for x
x = 940,398,243,937.58/1,026,521.74 - Step 6: Final answer
x = 916,101.63
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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.