Finding the Fourth Proportional to 1,054,619.90, 1,455,368.22 and 571,173.99
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Solution
The fourth proportional to 1,054,619.90, 1,455,368.22 and 571,173.99 is: 788,216.18
Step by Step Solution
- Step 1: Write the proportion equation
1,054,619.90 : 1,455,368.22 = 571,173.99 : x - Step 2: Convert to fraction form
1,054,619.90/1,455,368.22 = 571,173.99/x - Step 3: Cross multiply
1,054,619.90x = 1,455,368.22 × 571,173.99 - Step 4: Simplify right side
1,054,619.90x = 831,268,473,136.60 - Step 5: Solve for x
x = 831,268,473,136.60/1,054,619.90 - Step 6: Final answer
x = 788,216.18
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.