Finding the Fourth Proportional to 1,187,235.76, 1,777,899.42 and 830,579.80
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Solution
The fourth proportional to 1,187,235.76, 1,777,899.42 and 830,579.80 is: 1,243,802.95
Step by Step Solution
- Step 1: Write the proportion equation
1,187,235.76 : 1,777,899.42 = 830,579.80 : x - Step 2: Convert to fraction form
1,187,235.76/1,777,899.42 = 830,579.80/x - Step 3: Cross multiply
1,187,235.76x = 1,777,899.42 × 830,579.80 - Step 4: Simplify right side
1,187,235.76x = 1,476,687,344,683.72 - Step 5: Solve for x
x = 1,476,687,344,683.72/1,187,235.76 - Step 6: Final answer
x = 1,243,802.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.