Finding the Fourth Proportional to 1,432,701.06, 1,977,136.86 and 788,104.68
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Solution
The fourth proportional to 1,432,701.06, 1,977,136.86 and 788,104.68 is: 1,087,589.63
Step by Step Solution
- Step 1: Write the proportion equation
1,432,701.06 : 1,977,136.86 = 788,104.68 : x - Step 2: Convert to fraction form
1,432,701.06/1,977,136.86 = 788,104.68/x - Step 3: Cross multiply
1,432,701.06x = 1,977,136.86 × 788,104.68 - Step 4: Simplify right side
1,432,701.06x = 1,558,190,812,366.51 - Step 5: Solve for x
x = 1,558,190,812,366.51/1,432,701.06 - Step 6: Final answer
x = 1,087,589.63
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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.