Finding the Fourth Proportional to 1,013,242.63, 1,398,089.97 and 577,641.43
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Solution
The fourth proportional to 1,013,242.63, 1,398,089.97 and 577,641.43 is: 797,039.79
Step by Step Solution
- Step 1: Write the proportion equation
1,013,242.63 : 1,398,089.97 = 577,641.43 : x - Step 2: Convert to fraction form
1,013,242.63/1,398,089.97 = 577,641.43/x - Step 3: Cross multiply
1,013,242.63x = 1,398,089.97 × 577,641.43 - Step 4: Simplify right side
1,013,242.63x = 807,594,689,539.46 - Step 5: Solve for x
x = 807,594,689,539.46/1,013,242.63 - Step 6: Final answer
x = 797,039.79
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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.