Home / 1,376,372-1,899,393.36-772,772.96

Finding the Fourth Proportional to 1,376,372, 1,899,393.36 and 772,772.96

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Solution

The fourth proportional to 1,376,372, 1,899,393.36 and 772,772.96 is: 1,066,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,372 : 1,899,393.36 = 772,772.96 : x
  2. Step 2: Convert to fraction form
    1,376,372/1,899,393.36 = 772,772.96/x
  3. Step 3: Cross multiply
    1,376,372x = 1,899,393.36 × 772,772.96
  4. Step 4: Simplify right side
    1,376,372x = 1,467,799,829,011.55
  5. Step 5: Solve for x
    x = 1,467,799,829,011.55/1,376,372
  6. Step 6: Final answer
    x = 1,066,426.68

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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.