Finding the Fourth Proportional to 1,281,372.24, 1,768,135.32 and 708,423.60
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Solution
The fourth proportional to 1,281,372.24, 1,768,135.32 and 708,423.60 is: 977,537.01
Step by Step Solution
- Step 1: Write the proportion equation
1,281,372.24 : 1,768,135.32 = 708,423.60 : x - Step 2: Convert to fraction form
1,281,372.24/1,768,135.32 = 708,423.60/x - Step 3: Cross multiply
1,281,372.24x = 1,768,135.32 × 708,423.60 - Step 4: Simplify right side
1,281,372.24x = 1,252,588,788,681.55 - Step 5: Solve for x
x = 1,252,588,788,681.55/1,281,372.24 - Step 6: Final answer
x = 977,537.01
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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.