Home / 1,018,729.09-1,528,077.93-260,563.87

Finding the Fourth Proportional to 1,018,729.09, 1,528,077.93 and 260,563.87

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Solution

The fourth proportional to 1,018,729.09, 1,528,077.93 and 260,563.87 is: 390,841.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,729.09 : 1,528,077.93 = 260,563.87 : x
  2. Step 2: Convert to fraction form
    1,018,729.09/1,528,077.93 = 260,563.87/x
  3. Step 3: Cross multiply
    1,018,729.09x = 1,528,077.93 × 260,563.87
  4. Step 4: Simplify right side
    1,018,729.09x = 398,161,899,102.39
  5. Step 5: Solve for x
    x = 398,161,899,102.39/1,018,729.09
  6. Step 6: Final answer
    x = 390,841.79

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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.