Finding the Fourth Proportional to 1,130,718.99, 1,560,407.42 and 614,483.13
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Solution
The fourth proportional to 1,130,718.99, 1,560,407.42 and 614,483.13 is: 847,994.99
Step by Step Solution
- Step 1: Write the proportion equation
1,130,718.99 : 1,560,407.42 = 614,483.13 : x - Step 2: Convert to fraction form
1,130,718.99/1,560,407.42 = 614,483.13/x - Step 3: Cross multiply
1,130,718.99x = 1,560,407.42 × 614,483.13 - Step 4: Simplify right side
1,130,718.99x = 958,844,035,516.83 - Step 5: Solve for x
x = 958,844,035,516.83/1,130,718.99 - Step 6: Final answer
x = 847,994.99
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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.