Finding the Fourth Proportional to 1,121,875.50, 1,547,402.49 and 759,139.68
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Solution
The fourth proportional to 1,121,875.50, 1,547,402.49 and 759,139.68 is: 1,047,081.10
Step by Step Solution
- Step 1: Write the proportion equation
1,121,875.50 : 1,547,402.49 = 759,139.68 : x - Step 2: Convert to fraction form
1,121,875.50/1,547,402.49 = 759,139.68/x - Step 3: Cross multiply
1,121,875.50x = 1,547,402.49 × 759,139.68 - Step 4: Simplify right side
1,121,875.50x = 1,174,694,631,089.80 - Step 5: Solve for x
x = 1,174,694,631,089.80/1,121,875.50 - Step 6: Final answer
x = 1,047,081.10
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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.