Finding the Fourth Proportional to 1,359,309.53, 1,875,966.68 and 747,570.09
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Solution
The fourth proportional to 1,359,309.53, 1,875,966.68 and 747,570.09 is: 1,031,712.47
Step by Step Solution
- Step 1: Write the proportion equation
1,359,309.53 : 1,875,966.68 = 747,570.09 : x - Step 2: Convert to fraction form
1,359,309.53/1,875,966.68 = 747,570.09/x - Step 3: Cross multiply
1,359,309.53x = 1,875,966.68 × 747,570.09 - Step 4: Simplify right side
1,359,309.53x = 1,402,416,588,708.40 - Step 5: Solve for x
x = 1,402,416,588,708.40/1,359,309.53 - Step 6: Final answer
x = 1,031,712.47
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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.