Finding the Fourth Proportional to 1,335,457.09, 1,842,965.09 and 819,496.05
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Solution
The fourth proportional to 1,335,457.09, 1,842,965.09 and 819,496.05 is: 1,130,925.59
Step by Step Solution
- Step 1: Write the proportion equation
1,335,457.09 : 1,842,965.09 = 819,496.05 : x - Step 2: Convert to fraction form
1,335,457.09/1,842,965.09 = 819,496.05/x - Step 3: Cross multiply
1,335,457.09x = 1,842,965.09 × 819,496.05 - Step 4: Simplify right side
1,335,457.09x = 1,510,302,603,607.41 - Step 5: Solve for x
x = 1,510,302,603,607.41/1,335,457.09 - Step 6: Final answer
x = 1,130,925.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.