Finding the Fourth Proportional to 1,248,662.53, 1,872,916.91 and 768,981.74
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Solution
The fourth proportional to 1,248,662.53, 1,872,916.91 and 768,981.74 is: 1,153,425.26
Step by Step Solution
- Step 1: Write the proportion equation
1,248,662.53 : 1,872,916.91 = 768,981.74 : x - Step 2: Convert to fraction form
1,248,662.53/1,872,916.91 = 768,981.74/x - Step 3: Cross multiply
1,248,662.53x = 1,872,916.91 × 768,981.74 - Step 4: Simplify right side
1,248,662.53x = 1,440,238,900,482.31 - Step 5: Solve for x
x = 1,440,238,900,482.31/1,248,662.53 - Step 6: Final answer
x = 1,153,425.26
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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.