Home / 1,424,665.03-1,966,040.92-771,297.94

Finding the Fourth Proportional to 1,424,665.03, 1,966,040.92 and 771,297.94

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Solution

The fourth proportional to 1,424,665.03, 1,966,040.92 and 771,297.94 is: 1,064,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,665.03 : 1,966,040.92 = 771,297.94 : x
  2. Step 2: Convert to fraction form
    1,424,665.03/1,966,040.92 = 771,297.94/x
  3. Step 3: Cross multiply
    1,424,665.03x = 1,966,040.92 × 771,297.94
  4. Step 4: Simplify right side
    1,424,665.03x = 1,516,403,311,551.70
  5. Step 5: Solve for x
    x = 1,516,403,311,551.70/1,424,665.03
  6. Step 6: Final answer
    x = 1,064,392.88

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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.