Finding the Fourth Proportional to 1,316,396.21, 1,974,368.52 and 417,637.62
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Solution
The fourth proportional to 1,316,396.21, 1,974,368.52 and 417,637.62 is: 626,384.80
Step by Step Solution
- Step 1: Write the proportion equation
1,316,396.21 : 1,974,368.52 = 417,637.62 : x - Step 2: Convert to fraction form
1,316,396.21/1,974,368.52 = 417,637.62/x - Step 3: Cross multiply
1,316,396.21x = 1,974,368.52 × 417,637.62 - Step 4: Simplify right side
1,316,396.21x = 824,570,569,695.72 - Step 5: Solve for x
x = 824,570,569,695.72/1,316,396.21 - Step 6: Final answer
x = 626,384.80
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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.