Finding the Fourth Proportional to 1,316,376, 1,974,564 and 319,104
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Solution
The fourth proportional to 1,316,376, 1,974,564 and 319,104 is: 478,656
Step by Step Solution
- Step 1: Write the proportion equation
1,316,376 : 1,974,564 = 319,104 : x - Step 2: Convert to fraction form
1,316,376/1,974,564 = 319,104/x - Step 3: Cross multiply
1,316,376x = 1,974,564 × 319,104 - Step 4: Simplify right side
1,316,376x = 630,091,270,656 - Step 5: Solve for x
x = 630,091,270,656/1,316,376 - Step 6: Final answer
x = 478,656
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.