Home / 1,225,659.20-1,838,661.60-384,123.20

Finding the Fourth Proportional to 1,225,659.20, 1,838,661.60 and 384,123.20

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Solution

The fourth proportional to 1,225,659.20, 1,838,661.60 and 384,123.20 is: 576,238.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,659.20 : 1,838,661.60 = 384,123.20 : x
  2. Step 2: Convert to fraction form
    1,225,659.20/1,838,661.60 = 384,123.20/x
  3. Step 3: Cross multiply
    1,225,659.20x = 1,838,661.60 × 384,123.20
  4. Step 4: Simplify right side
    1,225,659.20x = 706,272,577,509.12
  5. Step 5: Solve for x
    x = 706,272,577,509.12/1,225,659.20
  6. Step 6: Final answer
    x = 576,238.96

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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.