Finding the Fourth Proportional to 1,142,887.68, 1,577,223.36 and 633,559.68
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Solution
The fourth proportional to 1,142,887.68, 1,577,223.36 and 633,559.68 is: 874,333.62
Step by Step Solution
- Step 1: Write the proportion equation
1,142,887.68 : 1,577,223.36 = 633,559.68 : x - Step 2: Convert to fraction form
1,142,887.68/1,577,223.36 = 633,559.68/x - Step 3: Cross multiply
1,142,887.68x = 1,577,223.36 × 633,559.68 - Step 4: Simplify right side
1,142,887.68x = 999,265,127,250.13 - Step 5: Solve for x
x = 999,265,127,250.13/1,142,887.68 - Step 6: Final answer
x = 874,333.62
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1.5x scale
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.