Finding the Fourth Proportional to 1,254,079.08, 1,730,641.62 and 681,130.44
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Solution
The fourth proportional to 1,254,079.08, 1,730,641.62 and 681,130.44 is: 939,966.79
Step by Step Solution
- Step 1: Write the proportion equation
1,254,079.08 : 1,730,641.62 = 681,130.44 : x - Step 2: Convert to fraction form
1,254,079.08/1,730,641.62 = 681,130.44/x - Step 3: Cross multiply
1,254,079.08x = 1,730,641.62 × 681,130.44 - Step 4: Simplify right side
1,254,079.08x = 1,178,792,688,112.91 - Step 5: Solve for x
x = 1,178,792,688,112.91/1,254,079.08 - Step 6: Final answer
x = 939,966.79
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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.