Home / 1,002,900.72-1,384,206.72-680,714.64

Finding the Fourth Proportional to 1,002,900.72, 1,384,206.72 and 680,714.64

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Solution

The fourth proportional to 1,002,900.72, 1,384,206.72 and 680,714.64 is: 939,524.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,900.72 : 1,384,206.72 = 680,714.64 : x
  2. Step 2: Convert to fraction form
    1,002,900.72/1,384,206.72 = 680,714.64/x
  3. Step 3: Cross multiply
    1,002,900.72x = 1,384,206.72 × 680,714.64
  4. Step 4: Simplify right side
    1,002,900.72x = 942,249,779,090.38
  5. Step 5: Solve for x
    x = 942,249,779,090.38/1,002,900.72
  6. Step 6: Final answer
    x = 939,524.48

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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.