Home / 1,207,748.40-1,666,696.23-691,510.20

Finding the Fourth Proportional to 1,207,748.40, 1,666,696.23 and 691,510.20

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Solution

The fourth proportional to 1,207,748.40, 1,666,696.23 and 691,510.20 is: 954,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,748.40 : 1,666,696.23 = 691,510.20 : x
  2. Step 2: Convert to fraction form
    1,207,748.40/1,666,696.23 = 691,510.20/x
  3. Step 3: Cross multiply
    1,207,748.40x = 1,666,696.23 × 691,510.20
  4. Step 4: Simplify right side
    1,207,748.40x = 1,152,537,443,346.55
  5. Step 5: Solve for x
    x = 1,152,537,443,346.55/1,207,748.40
  6. Step 6: Final answer
    x = 954,286.04

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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.