Finding the Fourth Proportional to 1,130,374.93, 1,559,935.10 and 614,139.05
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Solution
The fourth proportional to 1,130,374.93, 1,559,935.10 and 614,139.05 is: 847,521.50
Step by Step Solution
- Step 1: Write the proportion equation
1,130,374.93 : 1,559,935.10 = 614,139.05 : x - Step 2: Convert to fraction form
1,130,374.93/1,559,935.10 = 614,139.05/x - Step 3: Cross multiply
1,130,374.93x = 1,559,935.10 × 614,139.05 - Step 4: Simplify right side
1,130,374.93x = 958,017,049,505.28 - Step 5: Solve for x
x = 958,017,049,505.28/1,130,374.93 - Step 6: Final answer
x = 847,521.50
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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.