Finding the Fourth Proportional to 1,163,216.09, 1,604,582.76 and 679,678.59
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Solution
The fourth proportional to 1,163,216.09, 1,604,582.76 and 679,678.59 is: 937,573.48
Step by Step Solution
- Step 1: Write the proportion equation
1,163,216.09 : 1,604,582.76 = 679,678.59 : x - Step 2: Convert to fraction form
1,163,216.09/1,604,582.76 = 679,678.59/x - Step 3: Cross multiply
1,163,216.09x = 1,604,582.76 × 679,678.59 - Step 4: Simplify right side
1,163,216.09x = 1,090,600,556,421.09 - Step 5: Solve for x
x = 1,090,600,556,421.09/1,163,216.09 - Step 6: Final answer
x = 937,573.48
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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.