Finding the Fourth Proportional to 1,038,439.62, 1,433,178.09 and 602,763.84
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Solution
The fourth proportional to 1,038,439.62, 1,433,178.09 and 602,763.84 is: 831,890.38
Step by Step Solution
- Step 1: Write the proportion equation
1,038,439.62 : 1,433,178.09 = 602,763.84 : x - Step 2: Convert to fraction form
1,038,439.62/1,433,178.09 = 602,763.84/x - Step 3: Cross multiply
1,038,439.62x = 1,433,178.09 × 602,763.84 - Step 4: Simplify right side
1,038,439.62x = 863,867,928,932.27 - Step 5: Solve for x
x = 863,867,928,932.27/1,038,439.62 - Step 6: Final answer
x = 831,890.38
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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.