Finding the Fourth Proportional to 1,312,805.61, 1,969,558.47 and 471,364.65
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Solution
The fourth proportional to 1,312,805.61, 1,969,558.47 and 471,364.65 is: 707,172.66
Step by Step Solution
- Step 1: Write the proportion equation
1,312,805.61 : 1,969,558.47 = 471,364.65 : x - Step 2: Convert to fraction form
1,312,805.61/1,969,558.47 = 471,364.65/x - Step 3: Cross multiply
1,312,805.61x = 1,969,558.47 × 471,364.65 - Step 4: Simplify right side
1,312,805.61x = 928,380,238,866.09 - Step 5: Solve for x
x = 928,380,238,866.09/1,312,805.61 - Step 6: Final answer
x = 707,172.66
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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.