Home / 1,018,823.76-1,526,857.02-387,393.12

Finding the Fourth Proportional to 1,018,823.76, 1,526,857.02 and 387,393.12

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Solution

The fourth proportional to 1,018,823.76, 1,526,857.02 and 387,393.12 is: 580,565.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,823.76 : 1,526,857.02 = 387,393.12 : x
  2. Step 2: Convert to fraction form
    1,018,823.76/1,526,857.02 = 387,393.12/x
  3. Step 3: Cross multiply
    1,018,823.76x = 1,526,857.02 × 387,393.12
  4. Step 4: Simplify right side
    1,018,823.76x = 591,493,904,771.70
  5. Step 5: Solve for x
    x = 591,493,904,771.70/1,018,823.76
  6. Step 6: Final answer
    x = 580,565.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.