Finding the Fourth Proportional to 1,436,309.19, 2,154,779.12 and 425,510.28
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Solution
The fourth proportional to 1,436,309.19, 2,154,779.12 and 425,510.28 is: 638,358.84
Step by Step Solution
- Step 1: Write the proportion equation
1,436,309.19 : 2,154,779.12 = 425,510.28 : x - Step 2: Convert to fraction form
1,436,309.19/2,154,779.12 = 425,510.28/x - Step 3: Cross multiply
1,436,309.19x = 2,154,779.12 × 425,510.28 - Step 4: Simplify right side
1,436,309.19x = 916,880,664,561.80 - Step 5: Solve for x
x = 916,880,664,561.80/1,436,309.19 - Step 6: Final answer
x = 638,358.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.