Finding the Fourth Proportional to 1,313,593.60, 1,970,473.65 and 555,293.74
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Solution
The fourth proportional to 1,313,593.60, 1,970,473.65 and 555,293.74 is: 832,975.80
Step by Step Solution
- Step 1: Write the proportion equation
1,313,593.60 : 1,970,473.65 = 555,293.74 : x - Step 2: Convert to fraction form
1,313,593.60/1,970,473.65 = 555,293.74/x - Step 3: Cross multiply
1,313,593.60x = 1,970,473.65 × 555,293.74 - Step 4: Simplify right side
1,313,593.60x = 1,094,191,679,903.48 - Step 5: Solve for x
x = 1,094,191,679,903.48/1,313,593.60 - Step 6: Final answer
x = 832,975.80
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1.5x scale
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.