Home / 1,210,040.12-1,814,636.86-356,885.40

Finding the Fourth Proportional to 1,210,040.12, 1,814,636.86 and 356,885.40

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Solution

The fourth proportional to 1,210,040.12, 1,814,636.86 and 356,885.40 is: 535,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,040.12 : 1,814,636.86 = 356,885.40 : x
  2. Step 2: Convert to fraction form
    1,210,040.12/1,814,636.86 = 356,885.40/x
  3. Step 3: Cross multiply
    1,210,040.12x = 1,814,636.86 × 356,885.40
  4. Step 4: Simplify right side
    1,210,040.12x = 647,617,401,635.84
  5. Step 5: Solve for x
    x = 647,617,401,635.84/1,210,040.12
  6. Step 6: Final answer
    x = 535,203.25

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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.