Home / 1,685,488.30-2,530,031.57-726,417.21

Finding the Fourth Proportional to 1,685,488.30, 2,530,031.57 and 726,417.21

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Solution

The fourth proportional to 1,685,488.30, 2,530,031.57 and 726,417.21 is: 1,090,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,488.30 : 2,530,031.57 = 726,417.21 : x
  2. Step 2: Convert to fraction form
    1,685,488.30/2,530,031.57 = 726,417.21/x
  3. Step 3: Cross multiply
    1,685,488.30x = 2,530,031.57 × 726,417.21
  4. Step 4: Simplify right side
    1,685,488.30x = 1,837,858,478,800.36
  5. Step 5: Solve for x
    x = 1,837,858,478,800.36/1,685,488.30
  6. Step 6: Final answer
    x = 1,090,401.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.