Finding the Fourth Proportional to 854,569.70, 1,281,854.55 and 854,569.70
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Solution
The fourth proportional to 854,569.70, 1,281,854.55 and 854,569.70 is: 1,281,854.55
Step by Step Solution
- Step 1: Write the proportion equation
854,569.70 : 1,281,854.55 = 854,569.70 : x - Step 2: Convert to fraction form
854,569.70/1,281,854.55 = 854,569.70/x - Step 3: Cross multiply
854,569.70x = 1,281,854.55 × 854,569.70 - Step 4: Simplify right side
854,569.70x = 1,095,434,058,237.14 - Step 5: Solve for x
x = 1,095,434,058,237.14/854,569.70 - Step 6: Final answer
x = 1,281,854.55
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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.