Finding the Fourth Proportional to 1,125,420.24, 1,553,080.32 and 616,154.88
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Solution
The fourth proportional to 1,125,420.24, 1,553,080.32 and 616,154.88 is: 850,293.95
Step by Step Solution
- Step 1: Write the proportion equation
1,125,420.24 : 1,553,080.32 = 616,154.88 : x - Step 2: Convert to fraction form
1,125,420.24/1,553,080.32 = 616,154.88/x - Step 3: Cross multiply
1,125,420.24x = 1,553,080.32 × 616,154.88 - Step 4: Simplify right side
1,125,420.24x = 956,938,018,199.96 - Step 5: Solve for x
x = 956,938,018,199.96/1,125,420.24 - Step 6: Final answer
x = 850,293.95
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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.