Finding the Fourth Proportional to 1,368,650.12, 1,888,674.98 and 787,848.53
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Solution
The fourth proportional to 1,368,650.12, 1,888,674.98 and 787,848.53 is: 1,087,195.17
Step by Step Solution
- Step 1: Write the proportion equation
1,368,650.12 : 1,888,674.98 = 787,848.53 : x - Step 2: Convert to fraction form
1,368,650.12/1,888,674.98 = 787,848.53/x - Step 3: Cross multiply
1,368,650.12x = 1,888,674.98 × 787,848.53 - Step 4: Simplify right side
1,368,650.12x = 1,487,989,793,258.16 - Step 5: Solve for x
x = 1,487,989,793,258.16/1,368,650.12 - Step 6: Final answer
x = 1,087,195.17
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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.