Home / 1,031,399.21-1,423,259.64-572,477.72

Finding the Fourth Proportional to 1,031,399.21, 1,423,259.64 and 572,477.72

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Solution

The fourth proportional to 1,031,399.21, 1,423,259.64 and 572,477.72 is: 789,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,399.21 : 1,423,259.64 = 572,477.72 : x
  2. Step 2: Convert to fraction form
    1,031,399.21/1,423,259.64 = 572,477.72/x
  3. Step 3: Cross multiply
    1,031,399.21x = 1,423,259.64 × 572,477.72
  4. Step 4: Simplify right side
    1,031,399.21x = 814,784,426,558.92
  5. Step 5: Solve for x
    x = 814,784,426,558.92/1,031,399.21
  6. Step 6: Final answer
    x = 789,979.69

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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.