Home / 1,335,412.40-1,842,866.49-723,581.69

Finding the Fourth Proportional to 1,335,412.40, 1,842,866.49 and 723,581.69

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Solution

The fourth proportional to 1,335,412.40, 1,842,866.49 and 723,581.69 is: 998,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,412.40 : 1,842,866.49 = 723,581.69 : x
  2. Step 2: Convert to fraction form
    1,335,412.40/1,842,866.49 = 723,581.69/x
  3. Step 3: Cross multiply
    1,335,412.40x = 1,842,866.49 × 723,581.69
  4. Step 4: Simplify right side
    1,335,412.40x = 1,333,464,449,278.57
  5. Step 5: Solve for x
    x = 1,333,464,449,278.57/1,335,412.40
  6. Step 6: Final answer
    x = 998,541.31

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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.