Finding the Fourth Proportional to 1,049,688, 1,574,406.99 and 617,663.70
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Solution
The fourth proportional to 1,049,688, 1,574,406.99 and 617,663.70 is: 926,421.99
Step by Step Solution
- Step 1: Write the proportion equation
1,049,688 : 1,574,406.99 = 617,663.70 : x - Step 2: Convert to fraction form
1,049,688/1,574,406.99 = 617,663.70/x - Step 3: Cross multiply
1,049,688x = 1,574,406.99 × 617,663.70 - Step 4: Simplify right side
1,049,688x = 972,454,046,749.26 - Step 5: Solve for x
x = 972,454,046,749.26/1,049,688 - Step 6: Final answer
x = 926,421.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.