Home / 1,335,463.74-1,842,930.63-731,838.78

Finding the Fourth Proportional to 1,335,463.74, 1,842,930.63 and 731,838.78

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Solution

The fourth proportional to 1,335,463.74, 1,842,930.63 and 731,838.78 is: 1,009,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,463.74 : 1,842,930.63 = 731,838.78 : x
  2. Step 2: Convert to fraction form
    1,335,463.74/1,842,930.63 = 731,838.78/x
  3. Step 3: Cross multiply
    1,335,463.74x = 1,842,930.63 × 731,838.78
  4. Step 4: Simplify right side
    1,335,463.74x = 1,348,728,103,883.83
  5. Step 5: Solve for x
    x = 1,348,728,103,883.83/1,335,463.74
  6. Step 6: Final answer
    x = 1,009,932.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.