Finding the Fourth Proportional to 1,272,648.84, 1,908,973.80 and 374,090.64
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Solution
The fourth proportional to 1,272,648.84, 1,908,973.80 and 374,090.64 is: 561,136.12
Step by Step Solution
- Step 1: Write the proportion equation
1,272,648.84 : 1,908,973.80 = 374,090.64 : x - Step 2: Convert to fraction form
1,272,648.84/1,908,973.80 = 374,090.64/x - Step 3: Cross multiply
1,272,648.84x = 1,908,973.80 × 374,090.64 - Step 4: Simplify right side
1,272,648.84x = 714,129,230,585.23 - Step 5: Solve for x
x = 714,129,230,585.23/1,272,648.84 - Step 6: Final answer
x = 561,136.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.