Finding the Fourth Proportional to 1,046,206.08, 1,443,392.69 and 683,838.81
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Solution
The fourth proportional to 1,046,206.08, 1,443,392.69 and 683,838.81 is: 943,454.60
Step by Step Solution
- Step 1: Write the proportion equation
1,046,206.08 : 1,443,392.69 = 683,838.81 : x - Step 2: Convert to fraction form
1,046,206.08/1,443,392.69 = 683,838.81/x - Step 3: Cross multiply
1,046,206.08x = 1,443,392.69 × 683,838.81 - Step 4: Simplify right side
1,046,206.08x = 987,047,936,073.11 - Step 5: Solve for x
x = 987,047,936,073.11/1,046,206.08 - Step 6: Final answer
x = 943,454.60
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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.