Finding the Fourth Proportional to 1,163,527.74, 1,604,539.94 and 776,358.88
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Solution
The fourth proportional to 1,163,527.74, 1,604,539.94 and 776,358.88 is: 1,070,622.37
Step by Step Solution
- Step 1: Write the proportion equation
1,163,527.74 : 1,604,539.94 = 776,358.88 : x - Step 2: Convert to fraction form
1,163,527.74/1,604,539.94 = 776,358.88/x - Step 3: Cross multiply
1,163,527.74x = 1,604,539.94 × 776,358.88 - Step 4: Simplify right side
1,163,527.74x = 1,245,698,822,840.52 - Step 5: Solve for x
x = 1,245,698,822,840.52/1,163,527.74 - Step 6: Final answer
x = 1,070,622.37
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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.