Finding the Fourth Proportional to 1,237,920.48, 1,708,634.12 and 754,752.02
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Solution
The fourth proportional to 1,237,920.48, 1,708,634.12 and 754,752.02 is: 1,041,743.04
Step by Step Solution
- Step 1: Write the proportion equation
1,237,920.48 : 1,708,634.12 = 754,752.02 : x - Step 2: Convert to fraction form
1,237,920.48/1,708,634.12 = 754,752.02/x - Step 3: Cross multiply
1,237,920.48x = 1,708,634.12 × 754,752.02 - Step 4: Simplify right side
1,237,920.48x = 1,289,595,041,193.99 - Step 5: Solve for x
x = 1,289,595,041,193.99/1,237,920.48 - Step 6: Final answer
x = 1,041,743.04
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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.