Home / 1,376,249.38-2,064,374.06-429,701.20

Finding the Fourth Proportional to 1,376,249.38, 2,064,374.06 and 429,701.20

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Solution

The fourth proportional to 1,376,249.38, 2,064,374.06 and 429,701.20 is: 644,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,249.38 : 2,064,374.06 = 429,701.20 : x
  2. Step 2: Convert to fraction form
    1,376,249.38/2,064,374.06 = 429,701.20/x
  3. Step 3: Cross multiply
    1,376,249.38x = 2,064,374.06 × 429,701.20
  4. Step 4: Simplify right side
    1,376,249.38x = 887,064,010,830.87
  5. Step 5: Solve for x
    x = 887,064,010,830.87/1,376,249.38
  6. Step 6: Final answer
    x = 644,551.80

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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.