Finding the Fourth Proportional to 1,273,397.67, 1,909,634.29 and 697,448.79
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Solution
The fourth proportional to 1,273,397.67, 1,909,634.29 and 697,448.79 is: 1,045,920.03
Step by Step Solution
- Step 1: Write the proportion equation
1,273,397.67 : 1,909,634.29 = 697,448.79 : x - Step 2: Convert to fraction form
1,273,397.67/1,909,634.29 = 697,448.79/x - Step 3: Cross multiply
1,273,397.67x = 1,909,634.29 × 697,448.79 - Step 4: Simplify right side
1,273,397.67x = 1,331,872,124,903.01 - Step 5: Solve for x
x = 1,331,872,124,903.01/1,273,397.67 - Step 6: Final answer
x = 1,045,920.03
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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.