Home / 1,262,275.24-1,893,429.60-420,827.28

Finding the Fourth Proportional to 1,262,275.24, 1,893,429.60 and 420,827.28

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Solution

The fourth proportional to 1,262,275.24, 1,893,429.60 and 420,827.28 is: 631,246.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,275.24 : 1,893,429.60 = 420,827.28 : x
  2. Step 2: Convert to fraction form
    1,262,275.24/1,893,429.60 = 420,827.28/x
  3. Step 3: Cross multiply
    1,262,275.24x = 1,893,429.60 × 420,827.28
  4. Step 4: Simplify right side
    1,262,275.24x = 796,806,828,439.49
  5. Step 5: Solve for x
    x = 796,806,828,439.49/1,262,275.24
  6. Step 6: Final answer
    x = 631,246.50

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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.