Finding the Fourth Proportional to 1,381,946.88, 2,074,026.24 and 717,288.96
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Solution
The fourth proportional to 1,381,946.88, 2,074,026.24 and 717,288.96 is: 1,076,507.46
Step by Step Solution
- Step 1: Write the proportion equation
1,381,946.88 : 2,074,026.24 = 717,288.96 : x - Step 2: Convert to fraction form
1,381,946.88/2,074,026.24 = 717,288.96/x - Step 3: Cross multiply
1,381,946.88x = 2,074,026.24 × 717,288.96 - Step 4: Simplify right side
1,381,946.88x = 1,487,676,124,702.31 - Step 5: Solve for x
x = 1,487,676,124,702.31/1,381,946.88 - Step 6: Final answer
x = 1,076,507.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.