Finding the Fourth Proportional to 1,130,565.84, 1,559,794.68 and 700,689.12
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Solution
The fourth proportional to 1,130,565.84, 1,559,794.68 and 700,689.12 is: 966,711.64
Step by Step Solution
- Step 1: Write the proportion equation
1,130,565.84 : 1,559,794.68 = 700,689.12 : x - Step 2: Convert to fraction form
1,130,565.84/1,559,794.68 = 700,689.12/x - Step 3: Cross multiply
1,130,565.84x = 1,559,794.68 × 700,689.12 - Step 4: Simplify right side
1,130,565.84x = 1,092,931,161,709.88 - Step 5: Solve for x
x = 1,092,931,161,709.88/1,130,565.84 - Step 6: Final answer
x = 966,711.64
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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.