Finding the Fourth Proportional to 1,358,742.09, 1,875,064.09 and 785,819.17
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Solution
The fourth proportional to 1,358,742.09, 1,875,064.09 and 785,819.17 is: 1,084,430.46
Step by Step Solution
- Step 1: Write the proportion equation
1,358,742.09 : 1,875,064.09 = 785,819.17 : x - Step 2: Convert to fraction form
1,358,742.09/1,875,064.09 = 785,819.17/x - Step 3: Cross multiply
1,358,742.09x = 1,875,064.09 × 785,819.17 - Step 4: Simplify right side
1,358,742.09x = 1,473,461,308,753.30 - Step 5: Solve for x
x = 1,473,461,308,753.30/1,358,742.09 - Step 6: Final answer
x = 1,084,430.46
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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.