Home / 1,005,743.04-1,387,962.72-603,257.28

Finding the Fourth Proportional to 1,005,743.04, 1,387,962.72 and 603,257.28

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Solution

The fourth proportional to 1,005,743.04, 1,387,962.72 and 603,257.28 is: 832,517.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,743.04 : 1,387,962.72 = 603,257.28 : x
  2. Step 2: Convert to fraction form
    1,005,743.04/1,387,962.72 = 603,257.28/x
  3. Step 3: Cross multiply
    1,005,743.04x = 1,387,962.72 × 603,257.28
  4. Step 4: Simplify right side
    1,005,743.04x = 837,298,615,208.60
  5. Step 5: Solve for x
    x = 837,298,615,208.60/1,005,743.04
  6. Step 6: Final answer
    x = 832,517.43

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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.