Finding the Fourth Proportional to 1,130,857.29, 1,696,368.29 and 420,885.09
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Solution
The fourth proportional to 1,130,857.29, 1,696,368.29 and 420,885.09 is: 631,358.28
Step by Step Solution
- Step 1: Write the proportion equation
1,130,857.29 : 1,696,368.29 = 420,885.09 : x - Step 2: Convert to fraction form
1,130,857.29/1,696,368.29 = 420,885.09/x - Step 3: Cross multiply
1,130,857.29x = 1,696,368.29 × 420,885.09 - Step 4: Simplify right side
1,130,857.29x = 713,976,118,305.37 - Step 5: Solve for x
x = 713,976,118,305.37/1,130,857.29 - Step 6: Final answer
x = 631,358.28
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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.