Home / 1,928,639.52-2,892,628.80-508,709.52

Finding the Fourth Proportional to 1,928,639.52, 2,892,628.80 and 508,709.52

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Solution

The fourth proportional to 1,928,639.52, 2,892,628.80 and 508,709.52 is: 762,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,639.52 : 2,892,628.80 = 508,709.52 : x
  2. Step 2: Convert to fraction form
    1,928,639.52/2,892,628.80 = 508,709.52/x
  3. Step 3: Cross multiply
    1,928,639.52x = 2,892,628.80 × 508,709.52
  4. Step 4: Simplify right side
    1,928,639.52x = 1,471,507,808,386.18
  5. Step 5: Solve for x
    x = 1,471,507,808,386.18/1,928,639.52
  6. Step 6: Final answer
    x = 762,977.11

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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.