Finding the Fourth Proportional to 1,157,315.34, 1,596,726.10 and 749,729.62
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Solution
The fourth proportional to 1,157,315.34, 1,596,726.10 and 749,729.62 is: 1,034,387.79
Step by Step Solution
- Step 1: Write the proportion equation
1,157,315.34 : 1,596,726.10 = 749,729.62 : x - Step 2: Convert to fraction form
1,157,315.34/1,596,726.10 = 749,729.62/x - Step 3: Cross multiply
1,157,315.34x = 1,596,726.10 × 749,729.62 - Step 4: Simplify right side
1,157,315.34x = 1,197,112,855,130.15 - Step 5: Solve for x
x = 1,197,112,855,130.15/1,157,315.34 - Step 6: Final answer
x = 1,034,387.79
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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.