Finding the Fourth Proportional to 1,137,730.68, 1,570,038.36 and 628,422.12
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Solution
The fourth proportional to 1,137,730.68, 1,570,038.36 and 628,422.12 is: 867,205.97
Step by Step Solution
- Step 1: Write the proportion equation
1,137,730.68 : 1,570,038.36 = 628,422.12 : x - Step 2: Convert to fraction form
1,137,730.68/1,570,038.36 = 628,422.12/x - Step 3: Cross multiply
1,137,730.68x = 1,570,038.36 × 628,422.12 - Step 4: Simplify right side
1,137,730.68x = 986,646,834,672.52 - Step 5: Solve for x
x = 986,646,834,672.52/1,137,730.68 - Step 6: Final answer
x = 867,205.97
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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.