Home / 1,376,577.72-2,064,866.58-430,023.06

Finding the Fourth Proportional to 1,376,577.72, 2,064,866.58 and 430,023.06

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Solution

The fourth proportional to 1,376,577.72, 2,064,866.58 and 430,023.06 is: 645,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,577.72 : 2,064,866.58 = 430,023.06 : x
  2. Step 2: Convert to fraction form
    1,376,577.72/2,064,866.58 = 430,023.06/x
  3. Step 3: Cross multiply
    1,376,577.72x = 2,064,866.58 × 430,023.06
  4. Step 4: Simplify right side
    1,376,577.72x = 887,940,245,223.34
  5. Step 5: Solve for x
    x = 887,940,245,223.34/1,376,577.72
  6. Step 6: Final answer
    x = 645,034.59

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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.