Finding the Fourth Proportional to 1,115,497.28, 1,539,396 and 606,199.65
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Solution
The fourth proportional to 1,115,497.28, 1,539,396 and 606,199.65 is: 836,560.82
Step by Step Solution
- Step 1: Write the proportion equation
1,115,497.28 : 1,539,396 = 606,199.65 : x - Step 2: Convert to fraction form
1,115,497.28/1,539,396 = 606,199.65/x - Step 3: Cross multiply
1,115,497.28x = 1,539,396 × 606,199.65 - Step 4: Simplify right side
1,115,497.28x = 933,181,316,411.40 - Step 5: Solve for x
x = 933,181,316,411.40/1,115,497.28 - Step 6: Final answer
x = 836,560.82
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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.