Finding the Fourth Proportional to 1,018,740.36, 1,528,161.30 and 387,703.08
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Solution
The fourth proportional to 1,018,740.36, 1,528,161.30 and 387,703.08 is: 581,573.94
Step by Step Solution
- Step 1: Write the proportion equation
1,018,740.36 : 1,528,161.30 = 387,703.08 : x - Step 2: Convert to fraction form
1,018,740.36/1,528,161.30 = 387,703.08/x - Step 3: Cross multiply
1,018,740.36x = 1,528,161.30 × 387,703.08 - Step 4: Simplify right side
1,018,740.36x = 592,472,842,746.80 - Step 5: Solve for x
x = 592,472,842,746.80/1,018,740.36 - Step 6: Final answer
x = 581,573.94
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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.