Home / 1,423,628.80-2,135,443.20-476,684.80

Finding the Fourth Proportional to 1,423,628.80, 2,135,443.20 and 476,684.80

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Solution

The fourth proportional to 1,423,628.80, 2,135,443.20 and 476,684.80 is: 715,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,628.80 : 2,135,443.20 = 476,684.80 : x
  2. Step 2: Convert to fraction form
    1,423,628.80/2,135,443.20 = 476,684.80/x
  3. Step 3: Cross multiply
    1,423,628.80x = 2,135,443.20 × 476,684.80
  4. Step 4: Simplify right side
    1,423,628.80x = 1,017,933,314,703.36
  5. Step 5: Solve for x
    x = 1,017,933,314,703.36/1,423,628.80
  6. Step 6: Final answer
    x = 715,027.20

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Double scale
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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.