Finding the Fourth Proportional to 1,163,528.74, 1,604,541.31 and 776,359.88
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Solution
The fourth proportional to 1,163,528.74, 1,604,541.31 and 776,359.88 is: 1,070,623.75
Step by Step Solution
- Step 1: Write the proportion equation
1,163,528.74 : 1,604,541.31 = 776,359.88 : x - Step 2: Convert to fraction form
1,163,528.74/1,604,541.31 = 776,359.88/x - Step 3: Cross multiply
1,163,528.74x = 1,604,541.31 × 776,359.88 - Step 4: Simplify right side
1,163,528.74x = 1,245,701,498,886.64 - Step 5: Solve for x
x = 1,245,701,498,886.64/1,163,528.74 - Step 6: Final answer
x = 1,070,623.75
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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.