Finding the Fourth Proportional to 1,137,332.24, 1,705,347.12 and 913,106.40
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Solution
The fourth proportional to 1,137,332.24, 1,705,347.12 and 913,106.40 is: 1,369,136.75
Step by Step Solution
- Step 1: Write the proportion equation
1,137,332.24 : 1,705,347.12 = 913,106.40 : x - Step 2: Convert to fraction form
1,137,332.24/1,705,347.12 = 913,106.40/x - Step 3: Cross multiply
1,137,332.24x = 1,705,347.12 × 913,106.40 - Step 4: Simplify right side
1,137,332.24x = 1,557,163,369,493.57 - Step 5: Solve for x
x = 1,557,163,369,493.57/1,137,332.24 - Step 6: Final answer
x = 1,369,136.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.