Finding the Fourth Proportional to 1,289,524, 1,779,561.58 and 708,800.84
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Solution
The fourth proportional to 1,289,524, 1,779,561.58 and 708,800.84 is: 978,155.31
Step by Step Solution
- Step 1: Write the proportion equation
1,289,524 : 1,779,561.58 = 708,800.84 : x - Step 2: Convert to fraction form
1,289,524/1,779,561.58 = 708,800.84/x - Step 3: Cross multiply
1,289,524x = 1,779,561.58 × 708,800.84 - Step 4: Simplify right side
1,289,524x = 1,261,354,742,735.73 - Step 5: Solve for x
x = 1,261,354,742,735.73/1,289,524 - Step 6: Final answer
x = 978,155.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.