Finding the Fourth Proportional to 1,315,586.96, 1,817,252.42 and 1,058,432.67
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Solution
The fourth proportional to 1,315,586.96, 1,817,252.42 and 1,058,432.67 is: 1,462,038.91
Step by Step Solution
- Step 1: Write the proportion equation
1,315,586.96 : 1,817,252.42 = 1,058,432.67 : x - Step 2: Convert to fraction form
1,315,586.96/1,817,252.42 = 1,058,432.67/x - Step 3: Cross multiply
1,315,586.96x = 1,817,252.42 × 1,058,432.67 - Step 4: Simplify right side
1,315,586.96x = 1,923,439,325,672.40 - Step 5: Solve for x
x = 1,923,439,325,672.40/1,315,586.96 - Step 6: Final answer
x = 1,462,038.91
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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.