Home / 1,005,804.84-1,387,670.97-570,175.47

Finding the Fourth Proportional to 1,005,804.84, 1,387,670.97 and 570,175.47

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Solution

The fourth proportional to 1,005,804.84, 1,387,670.97 and 570,175.47 is: 786,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,804.84 : 1,387,670.97 = 570,175.47 : x
  2. Step 2: Convert to fraction form
    1,005,804.84/1,387,670.97 = 570,175.47/x
  3. Step 3: Cross multiply
    1,005,804.84x = 1,387,670.97 × 570,175.47
  4. Step 4: Simplify right side
    1,005,804.84x = 791,215,947,525.11
  5. Step 5: Solve for x
    x = 791,215,947,525.11/1,005,804.84
  6. Step 6: Final answer
    x = 786,649.57

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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.