Finding the Fourth Proportional to 1,130,226.17, 1,559,319.92 and 722,566.63
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Solution
The fourth proportional to 1,130,226.17, 1,559,319.92 and 722,566.63 is: 996,891.21
Step by Step Solution
- Step 1: Write the proportion equation
1,130,226.17 : 1,559,319.92 = 722,566.63 : x - Step 2: Convert to fraction form
1,130,226.17/1,559,319.92 = 722,566.63/x - Step 3: Cross multiply
1,130,226.17x = 1,559,319.92 × 722,566.63 - Step 4: Simplify right side
1,130,226.17x = 1,126,712,532,175.14 - Step 5: Solve for x
x = 1,126,712,532,175.14/1,130,226.17 - Step 6: Final answer
x = 996,891.21
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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.