Finding the Fourth Proportional to 1,309,053.91, 1,806,505.19 and 736,089.07
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Solution
The fourth proportional to 1,309,053.91, 1,806,505.19 and 736,089.07 is: 1,015,808.99
Step by Step Solution
- Step 1: Write the proportion equation
1,309,053.91 : 1,806,505.19 = 736,089.07 : x - Step 2: Convert to fraction form
1,309,053.91/1,806,505.19 = 736,089.07/x - Step 3: Cross multiply
1,309,053.91x = 1,806,505.19 × 736,089.07 - Step 4: Simplify right side
1,309,053.91x = 1,329,748,725,257.27 - Step 5: Solve for x
x = 1,329,748,725,257.27/1,309,053.91 - Step 6: Final answer
x = 1,015,808.99
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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.