Finding the Fourth Proportional to 1,186,639.32, 1,779,970.14 and 288,088.95
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Solution
The fourth proportional to 1,186,639.32, 1,779,970.14 and 288,088.95 is: 432,136.14
Step by Step Solution
- Step 1: Write the proportion equation
1,186,639.32 : 1,779,970.14 = 288,088.95 : x - Step 2: Convert to fraction form
1,186,639.32/1,779,970.14 = 288,088.95/x - Step 3: Cross multiply
1,186,639.32x = 1,779,970.14 × 288,088.95 - Step 4: Simplify right side
1,186,639.32x = 512,789,735,338.84 - Step 5: Solve for x
x = 512,789,735,338.84/1,186,639.32 - Step 6: Final answer
x = 432,136.14
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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.