Finding the Fourth Proportional to 1,435,265.82, 1,980,657.63 and 790,671.06
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Solution
The fourth proportional to 1,435,265.82, 1,980,657.63 and 790,671.06 is: 1,091,120.99
Step by Step Solution
- Step 1: Write the proportion equation
1,435,265.82 : 1,980,657.63 = 790,671.06 : x - Step 2: Convert to fraction form
1,435,265.82/1,980,657.63 = 790,671.06/x - Step 3: Cross multiply
1,435,265.82x = 1,980,657.63 × 790,671.06 - Step 4: Simplify right side
1,435,265.82x = 1,566,048,667,809.19 - Step 5: Solve for x
x = 1,566,048,667,809.19/1,435,265.82 - Step 6: Final answer
x = 1,091,120.99
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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.