Finding the Fourth Proportional to 1,281,478.52, 1,921,626.11 and 471,659.52
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Solution
The fourth proportional to 1,281,478.52, 1,921,626.11 and 471,659.52 is: 707,271.52
Step by Step Solution
- Step 1: Write the proportion equation
1,281,478.52 : 1,921,626.11 = 471,659.52 : x - Step 2: Convert to fraction form
1,281,478.52/1,921,626.11 = 471,659.52/x - Step 3: Cross multiply
1,281,478.52x = 1,921,626.11 × 471,659.52 - Step 4: Simplify right side
1,281,478.52x = 906,353,257,047.31 - Step 5: Solve for x
x = 906,353,257,047.31/1,281,478.52 - Step 6: Final answer
x = 707,271.52
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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.