Finding the Fourth Proportional to 1,163,077.28, 1,604,810.98 and 679,548.99
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Solution
The fourth proportional to 1,163,077.28, 1,604,810.98 and 679,548.99 is: 937,639.92
Step by Step Solution
- Step 1: Write the proportion equation
1,163,077.28 : 1,604,810.98 = 679,548.99 : x - Step 2: Convert to fraction form
1,163,077.28/1,604,810.98 = 679,548.99/x - Step 3: Cross multiply
1,163,077.28x = 1,604,810.98 × 679,548.99 - Step 4: Simplify right side
1,163,077.28x = 1,090,547,687,467.39 - Step 5: Solve for x
x = 1,090,547,687,467.39/1,163,077.28 - Step 6: Final answer
x = 937,639.92
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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.