Finding the Fourth Proportional to 1,442,656.87, 1,990,925.10 and 798,065.96
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Solution
The fourth proportional to 1,442,656.87, 1,990,925.10 and 798,065.96 is: 1,101,363.45
Step by Step Solution
- Step 1: Write the proportion equation
1,442,656.87 : 1,990,925.10 = 798,065.96 : x - Step 2: Convert to fraction form
1,442,656.87/1,990,925.10 = 798,065.96/x - Step 3: Cross multiply
1,442,656.87x = 1,990,925.10 × 798,065.96 - Step 4: Simplify right side
1,442,656.87x = 1,588,889,541,264.97 - Step 5: Solve for x
x = 1,588,889,541,264.97/1,442,656.87 - Step 6: Final answer
x = 1,101,363.45
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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.