Home / 1,335,268.07-1,842,671.71-723,420.86

Finding the Fourth Proportional to 1,335,268.07, 1,842,671.71 and 723,420.86

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Solution

The fourth proportional to 1,335,268.07, 1,842,671.71 and 723,420.86 is: 998,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,268.07 : 1,842,671.71 = 723,420.86 : x
  2. Step 2: Convert to fraction form
    1,335,268.07/1,842,671.71 = 723,420.86/x
  3. Step 3: Cross multiply
    1,335,268.07x = 1,842,671.71 × 723,420.86
  4. Step 4: Simplify right side
    1,335,268.07x = 1,333,027,152,238.71
  5. Step 5: Solve for x
    x = 1,333,027,152,238.71/1,335,268.07
  6. Step 6: Final answer
    x = 998,321.75

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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.