Finding the Fourth Proportional to 1,226,783.47, 1,692,842.45 and 904,666.99
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Solution
The fourth proportional to 1,226,783.47, 1,692,842.45 and 904,666.99 is: 1,248,352.88
Step by Step Solution
- Step 1: Write the proportion equation
1,226,783.47 : 1,692,842.45 = 904,666.99 : x - Step 2: Convert to fraction form
1,226,783.47/1,692,842.45 = 904,666.99/x - Step 3: Cross multiply
1,226,783.47x = 1,692,842.45 × 904,666.99 - Step 4: Simplify right side
1,226,783.47x = 1,531,458,679,262.39 - Step 5: Solve for x
x = 1,531,458,679,262.39/1,226,783.47 - Step 6: Final answer
x = 1,248,352.88
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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.