Finding the Fourth Proportional to 1,013,401.13, 1,398,302.19 and 626,553.63
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Solution
The fourth proportional to 1,013,401.13, 1,398,302.19 and 626,553.63 is: 864,525.70
Step by Step Solution
- Step 1: Write the proportion equation
1,013,401.13 : 1,398,302.19 = 626,553.63 : x - Step 2: Convert to fraction form
1,013,401.13/1,398,302.19 = 626,553.63/x - Step 3: Cross multiply
1,013,401.13x = 1,398,302.19 × 626,553.63 - Step 4: Simplify right side
1,013,401.13x = 876,111,312,981.45 - Step 5: Solve for x
x = 876,111,312,981.45/1,013,401.13 - Step 6: Final answer
x = 864,525.70
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1.5x scale
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.