Home / 1,267,078.47-1,900,215.30-413,955.69

Finding the Fourth Proportional to 1,267,078.47, 1,900,215.30 and 413,955.69

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Solution

The fourth proportional to 1,267,078.47, 1,900,215.30 and 413,955.69 is: 620,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,078.47 : 1,900,215.30 = 413,955.69 : x
  2. Step 2: Convert to fraction form
    1,267,078.47/1,900,215.30 = 413,955.69/x
  3. Step 3: Cross multiply
    1,267,078.47x = 1,900,215.30 × 413,955.69
  4. Step 4: Simplify right side
    1,267,078.47x = 786,604,935,660.06
  5. Step 5: Solve for x
    x = 786,604,935,660.06/1,267,078.47
  6. Step 6: Final answer
    x = 620,802.07

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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.