Finding the Fourth Proportional to 1,360,508.13, 1,877,761.44 and 900,812.07
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Solution
The fourth proportional to 1,360,508.13, 1,877,761.44 and 900,812.07 is: 1,243,292.95
Step by Step Solution
- Step 1: Write the proportion equation
1,360,508.13 : 1,877,761.44 = 900,812.07 : x - Step 2: Convert to fraction form
1,360,508.13/1,877,761.44 = 900,812.07/x - Step 3: Cross multiply
1,360,508.13x = 1,877,761.44 × 900,812.07 - Step 4: Simplify right side
1,360,508.13x = 1,691,510,169,732.58 - Step 5: Solve for x
x = 1,691,510,169,732.58/1,360,508.13 - Step 6: Final answer
x = 1,243,292.95
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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.