Finding the Fourth Proportional to 1,255,326.98, 1,733,762.49 and 972,271.94
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Solution
The fourth proportional to 1,255,326.98, 1,733,762.49 and 972,271.94 is: 1,342,828.32
Step by Step Solution
- Step 1: Write the proportion equation
1,255,326.98 : 1,733,762.49 = 972,271.94 : x - Step 2: Convert to fraction form
1,255,326.98/1,733,762.49 = 972,271.94/x - Step 3: Cross multiply
1,255,326.98x = 1,733,762.49 × 972,271.94 - Step 4: Simplify right side
1,255,326.98x = 1,685,688,619,651.53 - Step 5: Solve for x
x = 1,685,688,619,651.53/1,255,326.98 - Step 6: Final answer
x = 1,342,828.32
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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.