Finding the Fourth Proportional to 1,392,737.12, 2,089,261.76 and 1,249,703
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Solution
The fourth proportional to 1,392,737.12, 2,089,261.76 and 1,249,703 is: 1,874,694.55
Step by Step Solution
- Step 1: Write the proportion equation
1,392,737.12 : 2,089,261.76 = 1,249,703 : x - Step 2: Convert to fraction form
1,392,737.12/2,089,261.76 = 1,249,703/x - Step 3: Cross multiply
1,392,737.12x = 2,089,261.76 × 1,249,703 - Step 4: Simplify right side
1,392,737.12x = 2,610,956,689,257.28 - Step 5: Solve for x
x = 2,610,956,689,257.28/1,392,737.12 - Step 6: Final answer
x = 1,874,694.55
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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.