Finding the Fourth Proportional to 1,142,158.29, 1,576,180.28 and 625,830.14
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Solution
The fourth proportional to 1,142,158.29, 1,576,180.28 and 625,830.14 is: 863,646.59
Step by Step Solution
- Step 1: Write the proportion equation
1,142,158.29 : 1,576,180.28 = 625,830.14 : x - Step 2: Convert to fraction form
1,142,158.29/1,576,180.28 = 625,830.14/x - Step 3: Cross multiply
1,142,158.29x = 1,576,180.28 × 625,830.14 - Step 4: Simplify right side
1,142,158.29x = 986,421,114,287.59 - Step 5: Solve for x
x = 986,421,114,287.59/1,142,158.29 - Step 6: Final answer
x = 863,646.59
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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.