Finding the Fourth Proportional to 1,070,318.92, 1,605,746.12 and 755,390.92
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Solution
The fourth proportional to 1,070,318.92, 1,605,746.12 and 755,390.92 is: 1,133,275.34
Step by Step Solution
- Step 1: Write the proportion equation
1,070,318.92 : 1,605,746.12 = 755,390.92 : x - Step 2: Convert to fraction form
1,070,318.92/1,605,746.12 = 755,390.92/x - Step 3: Cross multiply
1,070,318.92x = 1,605,746.12 × 755,390.92 - Step 4: Simplify right side
1,070,318.92x = 1,212,966,038,873.23 - Step 5: Solve for x
x = 1,212,966,038,873.23/1,070,318.92 - Step 6: Final answer
x = 1,133,275.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.