Finding the Fourth Proportional to 1,338,975.12, 1,847,800.08 and 735,363.12
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Solution
The fourth proportional to 1,338,975.12, 1,847,800.08 and 735,363.12 is: 1,014,809.02
Step by Step Solution
- Step 1: Write the proportion equation
1,338,975.12 : 1,847,800.08 = 735,363.12 : x - Step 2: Convert to fraction form
1,338,975.12/1,847,800.08 = 735,363.12/x - Step 3: Cross multiply
1,338,975.12x = 1,847,800.08 × 735,363.12 - Step 4: Simplify right side
1,338,975.12x = 1,358,804,031,965.05 - Step 5: Solve for x
x = 1,358,804,031,965.05/1,338,975.12 - Step 6: Final answer
x = 1,014,809.02
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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.