Home / 1,018,775.42-1,525,640.80-748,262.06

Finding the Fourth Proportional to 1,018,775.42, 1,525,640.80 and 748,262.06

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Solution

The fourth proportional to 1,018,775.42, 1,525,640.80 and 748,262.06 is: 1,120,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,775.42 : 1,525,640.80 = 748,262.06 : x
  2. Step 2: Convert to fraction form
    1,018,775.42/1,525,640.80 = 748,262.06/x
  3. Step 3: Cross multiply
    1,018,775.42x = 1,525,640.80 × 748,262.06
  4. Step 4: Simplify right side
    1,018,775.42x = 1,141,579,127,828.05
  5. Step 5: Solve for x
    x = 1,141,579,127,828.05/1,018,775.42
  6. Step 6: Final answer
    x = 1,120,540.51

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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.