Home / 1,210,119.40-1,814,984.70-368,475.40

Finding the Fourth Proportional to 1,210,119.40, 1,814,984.70 and 368,475.40

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Solution

The fourth proportional to 1,210,119.40, 1,814,984.70 and 368,475.40 is: 552,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,119.40 : 1,814,984.70 = 368,475.40 : x
  2. Step 2: Convert to fraction form
    1,210,119.40/1,814,984.70 = 368,475.40/x
  3. Step 3: Cross multiply
    1,210,119.40x = 1,814,984.70 × 368,475.40
  4. Step 4: Simplify right side
    1,210,119.40x = 668,777,213,326.38
  5. Step 5: Solve for x
    x = 668,777,213,326.38/1,210,119.40
  6. Step 6: Final answer
    x = 552,653.91

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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.