Finding the Fourth Proportional to 1,432,887.48, 1,977,384.71 and 788,293.84
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Solution
The fourth proportional to 1,432,887.48, 1,977,384.71 and 788,293.84 is: 1,087,845.49
Step by Step Solution
- Step 1: Write the proportion equation
1,432,887.48 : 1,977,384.71 = 788,293.84 : x - Step 2: Convert to fraction form
1,432,887.48/1,977,384.71 = 788,293.84/x - Step 3: Cross multiply
1,432,887.48x = 1,977,384.71 × 788,293.84 - Step 4: Simplify right side
1,432,887.48x = 1,558,760,186,203.19 - Step 5: Solve for x
x = 1,558,760,186,203.19/1,432,887.48 - Step 6: Final answer
x = 1,087,845.49
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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.