Finding the Fourth Proportional to 1,112,854.08, 1,668,719.80 and 792,823.08
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Solution
The fourth proportional to 1,112,854.08, 1,668,719.80 and 792,823.08 is: 1,188,834.72
Step by Step Solution
- Step 1: Write the proportion equation
1,112,854.08 : 1,668,719.80 = 792,823.08 : x - Step 2: Convert to fraction form
1,112,854.08/1,668,719.80 = 792,823.08/x - Step 3: Cross multiply
1,112,854.08x = 1,668,719.80 × 792,823.08 - Step 4: Simplify right side
1,112,854.08x = 1,322,999,571,492.98 - Step 5: Solve for x
x = 1,322,999,571,492.98/1,112,854.08 - Step 6: Final answer
x = 1,188,834.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.