Home / 1,225,723.20-1,838,584.80-339,259.20

Finding the Fourth Proportional to 1,225,723.20, 1,838,584.80 and 339,259.20

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Solution

The fourth proportional to 1,225,723.20, 1,838,584.80 and 339,259.20 is: 508,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,723.20 : 1,838,584.80 = 339,259.20 : x
  2. Step 2: Convert to fraction form
    1,225,723.20/1,838,584.80 = 339,259.20/x
  3. Step 3: Cross multiply
    1,225,723.20x = 1,838,584.80 × 339,259.20
  4. Step 4: Simplify right side
    1,225,723.20x = 623,756,808,380.16
  5. Step 5: Solve for x
    x = 623,756,808,380.16/1,225,723.20
  6. Step 6: Final answer
    x = 508,888.80

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Double scale
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Similar ratio
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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.