Finding the Fourth Proportional to 1,127,280.96, 1,555,627.68 and 617,987.52
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Solution
The fourth proportional to 1,127,280.96, 1,555,627.68 and 617,987.52 is: 852,811.79
Step by Step Solution
- Step 1: Write the proportion equation
1,127,280.96 : 1,555,627.68 = 617,987.52 : x - Step 2: Convert to fraction form
1,127,280.96/1,555,627.68 = 617,987.52/x - Step 3: Cross multiply
1,127,280.96x = 1,555,627.68 × 617,987.52 - Step 4: Simplify right side
1,127,280.96x = 961,358,492,006.55 - Step 5: Solve for x
x = 961,358,492,006.55/1,127,280.96 - Step 6: Final answer
x = 852,811.79
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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.