Finding the Fourth Proportional to 1,186,398.63, 1,779,901.29 and 344,950.38
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Solution
The fourth proportional to 1,186,398.63, 1,779,901.29 and 344,950.38 is: 517,513.77
Step by Step Solution
- Step 1: Write the proportion equation
1,186,398.63 : 1,779,901.29 = 344,950.38 : x - Step 2: Convert to fraction form
1,186,398.63/1,779,901.29 = 344,950.38/x - Step 3: Cross multiply
1,186,398.63x = 1,779,901.29 × 344,950.38 - Step 4: Simplify right side
1,186,398.63x = 613,977,626,347.99 - Step 5: Solve for x
x = 613,977,626,347.99/1,186,398.63 - Step 6: Final answer
x = 517,513.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.