Home / 1,005,734.62-1,387,913.73-553,025.62

Finding the Fourth Proportional to 1,005,734.62, 1,387,913.73 and 553,025.62

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Solution

The fourth proportional to 1,005,734.62, 1,387,913.73 and 553,025.62 is: 763,175.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,734.62 : 1,387,913.73 = 553,025.62 : x
  2. Step 2: Convert to fraction form
    1,005,734.62/1,387,913.73 = 553,025.62/x
  3. Step 3: Cross multiply
    1,005,734.62x = 1,387,913.73 × 553,025.62
  4. Step 4: Simplify right side
    1,005,734.62x = 767,551,851,039.76
  5. Step 5: Solve for x
    x = 767,551,851,039.76/1,005,734.62
  6. Step 6: Final answer
    x = 763,175.33

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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.