Home / 1,007,992.76-1,391,029.38-555,283.76

Finding the Fourth Proportional to 1,007,992.76, 1,391,029.38 and 555,283.76

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Solution

The fourth proportional to 1,007,992.76, 1,391,029.38 and 555,283.76 is: 766,291.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,992.76 : 1,391,029.38 = 555,283.76 : x
  2. Step 2: Convert to fraction form
    1,007,992.76/1,391,029.38 = 555,283.76/x
  3. Step 3: Cross multiply
    1,007,992.76x = 1,391,029.38 × 555,283.76
  4. Step 4: Simplify right side
    1,007,992.76x = 772,416,017,441.72
  5. Step 5: Solve for x
    x = 772,416,017,441.72/1,007,992.76
  6. Step 6: Final answer
    x = 766,291.24

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1.5x scale

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.