Finding the Fourth Proportional to 1,312,338.08, 1,968,719.14 and 554,293.50
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Solution
The fourth proportional to 1,312,338.08, 1,968,719.14 and 554,293.50 is: 831,529.80
Step by Step Solution
- Step 1: Write the proportion equation
1,312,338.08 : 1,968,719.14 = 554,293.50 : x - Step 2: Convert to fraction form
1,312,338.08/1,968,719.14 = 554,293.50/x - Step 3: Cross multiply
1,312,338.08x = 1,968,719.14 × 554,293.50 - Step 4: Simplify right side
1,312,338.08x = 1,091,248,222,627.59 - Step 5: Solve for x
x = 1,091,248,222,627.59/1,312,338.08 - Step 6: Final answer
x = 831,529.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.