Home / 1,427,011.52-2,140,844.80-480,357.12

Finding the Fourth Proportional to 1,427,011.52, 2,140,844.80 and 480,357.12

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Solution

The fourth proportional to 1,427,011.52, 2,140,844.80 and 480,357.12 is: 720,645.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,011.52 : 2,140,844.80 = 480,357.12 : x
  2. Step 2: Convert to fraction form
    1,427,011.52/2,140,844.80 = 480,357.12/x
  3. Step 3: Cross multiply
    1,427,011.52x = 2,140,844.80 × 480,357.12
  4. Step 4: Simplify right side
    1,427,011.52x = 1,028,370,042,494.98
  5. Step 5: Solve for x
    x = 1,028,370,042,494.98/1,427,011.52
  6. Step 6: Final answer
    x = 720,645.93

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1.5x scale

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.