Finding the Fourth Proportional to 1,173,095.23, 1,618,865.70 and 636,551.23
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Solution
The fourth proportional to 1,173,095.23, 1,618,865.70 and 636,551.23 is: 878,437.59
Step by Step Solution
- Step 1: Write the proportion equation
1,173,095.23 : 1,618,865.70 = 636,551.23 : x - Step 2: Convert to fraction form
1,173,095.23/1,618,865.70 = 636,551.23/x - Step 3: Cross multiply
1,173,095.23x = 1,618,865.70 × 636,551.23 - Step 4: Simplify right side
1,173,095.23x = 1,030,490,952,539.81 - Step 5: Solve for x
x = 1,030,490,952,539.81/1,173,095.23 - Step 6: Final answer
x = 878,437.59
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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.