Finding the Fourth Proportional to 1,405,613.68, 1,939,737.99 and 761,031.88
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Solution
The fourth proportional to 1,405,613.68, 1,939,737.99 and 761,031.88 is: 1,050,219.18
Step by Step Solution
- Step 1: Write the proportion equation
1,405,613.68 : 1,939,737.99 = 761,031.88 : x - Step 2: Convert to fraction form
1,405,613.68/1,939,737.99 = 761,031.88/x - Step 3: Cross multiply
1,405,613.68x = 1,939,737.99 × 761,031.88 - Step 4: Simplify right side
1,405,613.68x = 1,476,202,449,237.12 - Step 5: Solve for x
x = 1,476,202,449,237.12/1,405,613.68 - Step 6: Final answer
x = 1,050,219.18
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.