Finding the Fourth Proportional to 1,281,935.87, 1,769,263.41 and 798,656.71
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Solution
The fourth proportional to 1,281,935.87, 1,769,263.41 and 798,656.71 is: 1,102,265.82
Step by Step Solution
- Step 1: Write the proportion equation
1,281,935.87 : 1,769,263.41 = 798,656.71 : x - Step 2: Convert to fraction form
1,281,935.87/1,769,263.41 = 798,656.71/x - Step 3: Cross multiply
1,281,935.87x = 1,769,263.41 × 798,656.71 - Step 4: Simplify right side
1,281,935.87x = 1,413,034,091,550.71 - Step 5: Solve for x
x = 1,413,034,091,550.71/1,281,935.87 - Step 6: Final answer
x = 1,102,265.82
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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.