Finding the Fourth Proportional to 1,415,263.74, 1,953,044.62 and 803,411.13
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Solution
The fourth proportional to 1,415,263.74, 1,953,044.62 and 803,411.13 is: 1,108,696.38
Step by Step Solution
- Step 1: Write the proportion equation
1,415,263.74 : 1,953,044.62 = 803,411.13 : x - Step 2: Convert to fraction form
1,415,263.74/1,953,044.62 = 803,411.13/x - Step 3: Cross multiply
1,415,263.74x = 1,953,044.62 × 803,411.13 - Step 4: Simplify right side
1,415,263.74x = 1,569,097,785,094.62 - Step 5: Solve for x
x = 1,569,097,785,094.62/1,415,263.74 - Step 6: Final answer
x = 1,108,696.38
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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.