Home / 1,335,040.74-1,842,365.09-723,193.55

Finding the Fourth Proportional to 1,335,040.74, 1,842,365.09 and 723,193.55

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Solution

The fourth proportional to 1,335,040.74, 1,842,365.09 and 723,193.55 is: 998,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,040.74 : 1,842,365.09 = 723,193.55 : x
  2. Step 2: Convert to fraction form
    1,335,040.74/1,842,365.09 = 723,193.55/x
  3. Step 3: Cross multiply
    1,335,040.74x = 1,842,365.09 × 723,193.55
  4. Step 4: Simplify right side
    1,335,040.74x = 1,332,386,549,833.17
  5. Step 5: Solve for x
    x = 1,332,386,549,833.17/1,335,040.74
  6. Step 6: Final answer
    x = 998,011.90

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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.