Home / 1,335,428.90-1,842,893.74-723,588.32

Finding the Fourth Proportional to 1,335,428.90, 1,842,893.74 and 723,588.32

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Solution

The fourth proportional to 1,335,428.90, 1,842,893.74 and 723,588.32 is: 998,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,428.90 : 1,842,893.74 = 723,588.32 : x
  2. Step 2: Convert to fraction form
    1,335,428.90/1,842,893.74 = 723,588.32/x
  3. Step 3: Cross multiply
    1,335,428.90x = 1,842,893.74 × 723,588.32
  4. Step 4: Simplify right side
    1,335,428.90x = 1,333,496,385,265.12
  5. Step 5: Solve for x
    x = 1,333,496,385,265.12/1,335,428.90
  6. Step 6: Final answer
    x = 998,552.89

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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.