Home / 1,228,748.74-1,842,846.63-440,780.74

Finding the Fourth Proportional to 1,228,748.74, 1,842,846.63 and 440,780.74

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Solution

The fourth proportional to 1,228,748.74, 1,842,846.63 and 440,780.74 is: 661,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,748.74 : 1,842,846.63 = 440,780.74 : x
  2. Step 2: Convert to fraction form
    1,228,748.74/1,842,846.63 = 440,780.74/x
  3. Step 3: Cross multiply
    1,228,748.74x = 1,842,846.63 × 440,780.74
  4. Step 4: Simplify right side
    1,228,748.74x = 812,291,301,277.91
  5. Step 5: Solve for x
    x = 812,291,301,277.91/1,228,748.74
  6. Step 6: Final answer
    x = 661,071.93

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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.