Finding the Fourth Proportional to 1,115,899.36, 1,539,908.64 and 632,508.96
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Solution
The fourth proportional to 1,115,899.36, 1,539,908.64 and 632,508.96 is: 872,843.96
Step by Step Solution
- Step 1: Write the proportion equation
1,115,899.36 : 1,539,908.64 = 632,508.96 : x - Step 2: Convert to fraction form
1,115,899.36/1,539,908.64 = 632,508.96/x - Step 3: Cross multiply
1,115,899.36x = 1,539,908.64 × 632,508.96 - Step 4: Simplify right side
1,115,899.36x = 974,006,012,381.41 - Step 5: Solve for x
x = 974,006,012,381.41/1,115,899.36 - Step 6: Final answer
x = 872,843.96
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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.