Finding the Fourth Proportional to 1,091,775.53, 1,506,681.93 and 632,891.99
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Solution
The fourth proportional to 1,091,775.53, 1,506,681.93 and 632,891.99 is: 873,409.32
Step by Step Solution
- Step 1: Write the proportion equation
1,091,775.53 : 1,506,681.93 = 632,891.99 : x - Step 2: Convert to fraction form
1,091,775.53/1,506,681.93 = 632,891.99/x - Step 3: Cross multiply
1,091,775.53x = 1,506,681.93 × 632,891.99 - Step 4: Simplify right side
1,091,775.53x = 953,566,924,974.74 - Step 5: Solve for x
x = 953,566,924,974.74/1,091,775.53 - Step 6: Final answer
x = 873,409.32
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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.