Home / 1,424,890.11-1,966,333.62-771,504.96

Finding the Fourth Proportional to 1,424,890.11, 1,966,333.62 and 771,504.96

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Solution

The fourth proportional to 1,424,890.11, 1,966,333.62 and 771,504.96 is: 1,064,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,890.11 : 1,966,333.62 = 771,504.96 : x
  2. Step 2: Convert to fraction form
    1,424,890.11/1,966,333.62 = 771,504.96/x
  3. Step 3: Cross multiply
    1,424,890.11x = 1,966,333.62 × 771,504.96
  4. Step 4: Simplify right side
    1,424,890.11x = 1,517,036,140,844.76
  5. Step 5: Solve for x
    x = 1,517,036,140,844.76/1,424,890.11
  6. Step 6: Final answer
    x = 1,064,668.87

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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.