Home / 1,355,227.29-2,031,519-645,064.65

Finding the Fourth Proportional to 1,355,227.29, 2,031,519 and 645,064.65

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Solution

The fourth proportional to 1,355,227.29, 2,031,519 and 645,064.65 is: 966,967.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,227.29 : 2,031,519 = 645,064.65 : x
  2. Step 2: Convert to fraction form
    1,355,227.29/2,031,519 = 645,064.65/x
  3. Step 3: Cross multiply
    1,355,227.29x = 2,031,519 × 645,064.65
  4. Step 4: Simplify right side
    1,355,227.29x = 1,310,461,092,703.35
  5. Step 5: Solve for x
    x = 1,310,461,092,703.35/1,355,227.29
  6. Step 6: Final answer
    x = 966,967.76

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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.