Home / 1,296,423.11-1,788,849.90-723,461.90

Finding the Fourth Proportional to 1,296,423.11, 1,788,849.90 and 723,461.90

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Solution

The fourth proportional to 1,296,423.11, 1,788,849.90 and 723,461.90 is: 998,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,423.11 : 1,788,849.90 = 723,461.90 : x
  2. Step 2: Convert to fraction form
    1,296,423.11/1,788,849.90 = 723,461.90/x
  3. Step 3: Cross multiply
    1,296,423.11x = 1,788,849.90 × 723,461.90
  4. Step 4: Simplify right side
    1,296,423.11x = 1,294,164,747,468.81
  5. Step 5: Solve for x
    x = 1,294,164,747,468.81/1,296,423.11
  6. Step 6: Final answer
    x = 998,258.01

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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.