Finding the Fourth Proportional to 1,018,865.42, 1,406,048.84 and 560,022.42
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Solution
The fourth proportional to 1,018,865.42, 1,406,048.84 and 560,022.42 is: 772,838.95
Step by Step Solution
- Step 1: Write the proportion equation
1,018,865.42 : 1,406,048.84 = 560,022.42 : x - Step 2: Convert to fraction form
1,018,865.42/1,406,048.84 = 560,022.42/x - Step 3: Cross multiply
1,018,865.42x = 1,406,048.84 × 560,022.42 - Step 4: Simplify right side
1,018,865.42x = 787,418,878,587.65 - Step 5: Solve for x
x = 787,418,878,587.65/1,018,865.42 - Step 6: Final answer
x = 772,838.95
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1.5x scale
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.