Finding the Fourth Proportional to 1,122,695.99, 1,549,321.03 and 606,449.85
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Solution
The fourth proportional to 1,122,695.99, 1,549,321.03 and 606,449.85 is: 836,901.10
Step by Step Solution
- Step 1: Write the proportion equation
1,122,695.99 : 1,549,321.03 = 606,449.85 : x - Step 2: Convert to fraction form
1,122,695.99/1,549,321.03 = 606,449.85/x - Step 3: Cross multiply
1,122,695.99x = 1,549,321.03 × 606,449.85 - Step 4: Simplify right side
1,122,695.99x = 939,585,506,245.35 - Step 5: Solve for x
x = 939,585,506,245.35/1,122,695.99 - Step 6: Final answer
x = 836,901.10
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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.