Finding the Fourth Proportional to 1,165,885.80, 1,616,259.71 and 1,102,025.64
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Solution
The fourth proportional to 1,165,885.80, 1,616,259.71 and 1,102,025.64 is: 1,527,730.80
Step by Step Solution
- Step 1: Write the proportion equation
1,165,885.80 : 1,616,259.71 = 1,102,025.64 : x - Step 2: Convert to fraction form
1,165,885.80/1,616,259.71 = 1,102,025.64/x - Step 3: Cross multiply
1,165,885.80x = 1,616,259.71 × 1,102,025.64 - Step 4: Simplify right side
1,165,885.80x = 1,781,159,641,318.96 - Step 5: Solve for x
x = 1,781,159,641,318.96/1,165,885.80 - Step 6: Final answer
x = 1,527,730.80
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.