Finding the Fourth Proportional to 1,406,573.79, 1,941,065.42 and 761,991.99
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Solution
The fourth proportional to 1,406,573.79, 1,941,065.42 and 761,991.99 is: 1,051,545.47
Step by Step Solution
- Step 1: Write the proportion equation
1,406,573.79 : 1,941,065.42 = 761,991.99 : x - Step 2: Convert to fraction form
1,406,573.79/1,941,065.42 = 761,991.99/x - Step 3: Cross multiply
1,406,573.79x = 1,941,065.42 × 761,991.99 - Step 4: Simplify right side
1,406,573.79x = 1,479,076,298,296.03 - Step 5: Solve for x
x = 1,479,076,298,296.03/1,406,573.79 - Step 6: Final answer
x = 1,051,545.47
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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.