Finding the Fourth Proportional to 1,031,596.96, 1,423,538.16 and 572,720.62
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Solution
The fourth proportional to 1,031,596.96, 1,423,538.16 and 572,720.62 is: 790,318.01
Step by Step Solution
- Step 1: Write the proportion equation
1,031,596.96 : 1,423,538.16 = 572,720.62 : x - Step 2: Convert to fraction form
1,031,596.96/1,423,538.16 = 572,720.62/x - Step 3: Cross multiply
1,031,596.96x = 1,423,538.16 × 572,720.62 - Step 4: Simplify right side
1,031,596.96x = 815,289,657,588.86 - Step 5: Solve for x
x = 815,289,657,588.86/1,031,596.96 - Step 6: Final answer
x = 790,318.01
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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.