Home / 1,285,649.08-1,928,834.72-476,021.32

Finding the Fourth Proportional to 1,285,649.08, 1,928,834.72 and 476,021.32

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Solution

The fourth proportional to 1,285,649.08, 1,928,834.72 and 476,021.32 is: 714,165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,649.08 : 1,928,834.72 = 476,021.32 : x
  2. Step 2: Convert to fraction form
    1,285,649.08/1,928,834.72 = 476,021.32/x
  3. Step 3: Cross multiply
    1,285,649.08x = 1,928,834.72 × 476,021.32
  4. Step 4: Simplify right side
    1,285,649.08x = 918,166,449,476.23
  5. Step 5: Solve for x
    x = 918,166,449,476.23/1,285,649.08
  6. Step 6: Final answer
    x = 714,165.68

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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.