Home / 1,428,774.13-2,140,282.14-949,271.95

Finding the Fourth Proportional to 1,428,774.13, 2,140,282.14 and 949,271.95

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Solution

The fourth proportional to 1,428,774.13, 2,140,282.14 and 949,271.95 is: 1,421,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,774.13 : 2,140,282.14 = 949,271.95 : x
  2. Step 2: Convert to fraction form
    1,428,774.13/2,140,282.14 = 949,271.95/x
  3. Step 3: Cross multiply
    1,428,774.13x = 2,140,282.14 × 949,271.95
  4. Step 4: Simplify right side
    1,428,774.13x = 2,031,709,800,587.97
  5. Step 5: Solve for x
    x = 2,031,709,800,587.97/1,428,774.13
  6. Step 6: Final answer
    x = 1,421,995.09

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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.