Finding the Fourth Proportional to 1,135,000.98, 1,566,313.47 and 625,721.58
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Solution
The fourth proportional to 1,135,000.98, 1,566,313.47 and 625,721.58 is: 863,502.46
Step by Step Solution
- Step 1: Write the proportion equation
1,135,000.98 : 1,566,313.47 = 625,721.58 : x - Step 2: Convert to fraction form
1,135,000.98/1,566,313.47 = 625,721.58/x - Step 3: Cross multiply
1,135,000.98x = 1,566,313.47 × 625,721.58 - Step 4: Simplify right side
1,135,000.98x = 980,076,139,223.68 - Step 5: Solve for x
x = 980,076,139,223.68/1,135,000.98 - Step 6: Final answer
x = 863,502.46
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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.