Home / 1,691,720.18-2,537,729.45-477,307.40

Finding the Fourth Proportional to 1,691,720.18, 2,537,729.45 and 477,307.40

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Solution

The fourth proportional to 1,691,720.18, 2,537,729.45 and 477,307.40 is: 716,003.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,720.18 : 2,537,729.45 = 477,307.40 : x
  2. Step 2: Convert to fraction form
    1,691,720.18/2,537,729.45 = 477,307.40/x
  3. Step 3: Cross multiply
    1,691,720.18x = 2,537,729.45 × 477,307.40
  4. Step 4: Simplify right side
    1,691,720.18x = 1,211,277,049,640.72
  5. Step 5: Solve for x
    x = 1,211,277,049,640.72/1,691,720.18
  6. Step 6: Final answer
    x = 716,003.19

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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.