Finding the Fourth Proportional to 1,312,382.36, 1,968,848.04 and 554,225.60
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Solution
The fourth proportional to 1,312,382.36, 1,968,848.04 and 554,225.60 is: 831,454.32
Step by Step Solution
- Step 1: Write the proportion equation
1,312,382.36 : 1,968,848.04 = 554,225.60 : x - Step 2: Convert to fraction form
1,312,382.36/1,968,848.04 = 554,225.60/x - Step 3: Cross multiply
1,312,382.36x = 1,968,848.04 × 554,225.60 - Step 4: Simplify right side
1,312,382.36x = 1,091,185,986,277.82 - Step 5: Solve for x
x = 1,091,185,986,277.82/1,312,382.36 - Step 6: Final answer
x = 831,454.32
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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.