Finding the Fourth Proportional to 1,312,979.20, 1,967,812.14 and 704,257.84
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Solution
The fourth proportional to 1,312,979.20, 1,967,812.14 and 704,257.84 is: 1,055,498.16
Step by Step Solution
- Step 1: Write the proportion equation
1,312,979.20 : 1,967,812.14 = 704,257.84 : x - Step 2: Convert to fraction form
1,312,979.20/1,967,812.14 = 704,257.84/x - Step 3: Cross multiply
1,312,979.20x = 1,967,812.14 × 704,257.84 - Step 4: Simplify right side
1,312,979.20x = 1,385,847,127,242.18 - Step 5: Solve for x
x = 1,385,847,127,242.18/1,312,979.20 - Step 6: Final answer
x = 1,055,498.16
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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.