Finding the Fourth Proportional to 1,129,925.84, 1,559,569.08 and 646,771.04
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Solution
The fourth proportional to 1,129,925.84, 1,559,569.08 and 646,771.04 is: 892,699.40
Step by Step Solution
- Step 1: Write the proportion equation
1,129,925.84 : 1,559,569.08 = 646,771.04 : x - Step 2: Convert to fraction form
1,129,925.84/1,559,569.08 = 646,771.04/x - Step 3: Cross multiply
1,129,925.84x = 1,559,569.08 × 646,771.04 - Step 4: Simplify right side
1,129,925.84x = 1,008,684,115,823.44 - Step 5: Solve for x
x = 1,008,684,115,823.44/1,129,925.84 - Step 6: Final answer
x = 892,699.40
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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.