Finding the Fourth Proportional to 1,122,756.96, 1,549,386.36 and 613,448.40
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Solution
The fourth proportional to 1,122,756.96, 1,549,386.36 and 613,448.40 is: 846,548.82
Step by Step Solution
- Step 1: Write the proportion equation
1,122,756.96 : 1,549,386.36 = 613,448.40 : x - Step 2: Convert to fraction form
1,122,756.96/1,549,386.36 = 613,448.40/x - Step 3: Cross multiply
1,122,756.96x = 1,549,386.36 × 613,448.40 - Step 4: Simplify right side
1,122,756.96x = 950,468,583,523.82 - Step 5: Solve for x
x = 950,468,583,523.82/1,122,756.96 - Step 6: Final answer
x = 846,548.82
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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.