Finding the Fourth Proportional to 1,172,320.15, 1,758,509.99 and 319,398.65
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Solution
The fourth proportional to 1,172,320.15, 1,758,509.99 and 319,398.65 is: 479,106.08
Step by Step Solution
- Step 1: Write the proportion equation
1,172,320.15 : 1,758,509.99 = 319,398.65 : x - Step 2: Convert to fraction form
1,172,320.15/1,758,509.99 = 319,398.65/x - Step 3: Cross multiply
1,172,320.15x = 1,758,509.99 × 319,398.65 - Step 4: Simplify right side
1,172,320.15x = 561,665,716,817.51 - Step 5: Solve for x
x = 561,665,716,817.51/1,172,320.15 - Step 6: Final answer
x = 479,106.08
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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.