Finding the Fourth Proportional to 1,079,901.42, 1,490,136.08 and 596,437.80
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Solution
The fourth proportional to 1,079,901.42, 1,490,136.08 and 596,437.80 is: 823,013.54
Step by Step Solution
- Step 1: Write the proportion equation
1,079,901.42 : 1,490,136.08 = 596,437.80 : x - Step 2: Convert to fraction form
1,079,901.42/1,490,136.08 = 596,437.80/x - Step 3: Cross multiply
1,079,901.42x = 1,490,136.08 × 596,437.80 - Step 4: Simplify right side
1,079,901.42x = 888,773,485,255.82 - Step 5: Solve for x
x = 888,773,485,255.82/1,079,901.42 - Step 6: Final answer
x = 823,013.54
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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.