Home / 1,210,124.40-1,814,992.20-368,480.40

Finding the Fourth Proportional to 1,210,124.40, 1,814,992.20 and 368,480.40

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Solution

The fourth proportional to 1,210,124.40, 1,814,992.20 and 368,480.40 is: 552,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,124.40 : 1,814,992.20 = 368,480.40 : x
  2. Step 2: Convert to fraction form
    1,210,124.40/1,814,992.20 = 368,480.40/x
  3. Step 3: Cross multiply
    1,210,124.40x = 1,814,992.20 × 368,480.40
  4. Step 4: Simplify right side
    1,210,124.40x = 668,789,051,852.88
  5. Step 5: Solve for x
    x = 668,789,051,852.88/1,210,124.40
  6. Step 6: Final answer
    x = 552,661.41

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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.