Finding the Fourth Proportional to 1,224,807.98, 1,690,271.64 and 673,495.05
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Solution
The fourth proportional to 1,224,807.98, 1,690,271.64 and 673,495.05 is: 929,443.31
Step by Step Solution
- Step 1: Write the proportion equation
1,224,807.98 : 1,690,271.64 = 673,495.05 : x - Step 2: Convert to fraction form
1,224,807.98/1,690,271.64 = 673,495.05/x - Step 3: Cross multiply
1,224,807.98x = 1,690,271.64 × 673,495.05 - Step 4: Simplify right side
1,224,807.98x = 1,138,389,579,327.91 - Step 5: Solve for x
x = 1,138,389,579,327.91/1,224,807.98 - Step 6: Final answer
x = 929,443.31
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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.