Home / 1,017,175.76-1,403,655.24-564,462.80

Finding the Fourth Proportional to 1,017,175.76, 1,403,655.24 and 564,462.80

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Solution

The fourth proportional to 1,017,175.76, 1,403,655.24 and 564,462.80 is: 778,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,175.76 : 1,403,655.24 = 564,462.80 : x
  2. Step 2: Convert to fraction form
    1,017,175.76/1,403,655.24 = 564,462.80/x
  3. Step 3: Cross multiply
    1,017,175.76x = 1,403,655.24 × 564,462.80
  4. Step 4: Simplify right side
    1,017,175.76x = 792,311,167,005.07
  5. Step 5: Solve for x
    x = 792,311,167,005.07/1,017,175.76
  6. Step 6: Final answer
    x = 778,932.41

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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.