Finding the Fourth Proportional to 1,432,937.60, 1,977,453.80 and 788,343.95
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Solution
The fourth proportional to 1,432,937.60, 1,977,453.80 and 788,343.95 is: 1,087,914.60
Step by Step Solution
- Step 1: Write the proportion equation
1,432,937.60 : 1,977,453.80 = 788,343.95 : x - Step 2: Convert to fraction form
1,432,937.60/1,977,453.80 = 788,343.95/x - Step 3: Cross multiply
1,432,937.60x = 1,977,453.80 × 788,343.95 - Step 4: Simplify right side
1,432,937.60x = 1,558,913,739,634.51 - Step 5: Solve for x
x = 1,558,913,739,634.51/1,432,937.60 - Step 6: Final answer
x = 1,087,914.60
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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.