Finding the Fourth Proportional to 1,153,486.40, 1,731,979.20 and 887,547.20
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Solution
The fourth proportional to 1,153,486.40, 1,731,979.20 and 887,547.20 is: 1,332,667.03
Step by Step Solution
- Step 1: Write the proportion equation
1,153,486.40 : 1,731,979.20 = 887,547.20 : x - Step 2: Convert to fraction form
1,153,486.40/1,731,979.20 = 887,547.20/x - Step 3: Cross multiply
1,153,486.40x = 1,731,979.20 × 887,547.20 - Step 4: Simplify right side
1,153,486.40x = 1,537,213,289,418.24 - Step 5: Solve for x
x = 1,537,213,289,418.24/1,153,486.40 - Step 6: Final answer
x = 1,332,667.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.