Home / 1,018,297.24-1,405,212.78-565,617.40

Finding the Fourth Proportional to 1,018,297.24, 1,405,212.78 and 565,617.40

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Solution

The fourth proportional to 1,018,297.24, 1,405,212.78 and 565,617.40 is: 780,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,297.24 : 1,405,212.78 = 565,617.40 : x
  2. Step 2: Convert to fraction form
    1,018,297.24/1,405,212.78 = 565,617.40/x
  3. Step 3: Cross multiply
    1,018,297.24x = 1,405,212.78 × 565,617.40
  4. Step 4: Simplify right side
    1,018,297.24x = 794,812,799,070.37
  5. Step 5: Solve for x
    x = 794,812,799,070.37/1,018,297.24
  6. Step 6: Final answer
    x = 780,531.23

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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.