Home / 1,488,810.30-2,233,215.45-858,954.30

Finding the Fourth Proportional to 1,488,810.30, 2,233,215.45 and 858,954.30

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Solution

The fourth proportional to 1,488,810.30, 2,233,215.45 and 858,954.30 is: 1,288,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,810.30 : 2,233,215.45 = 858,954.30 : x
  2. Step 2: Convert to fraction form
    1,488,810.30/2,233,215.45 = 858,954.30/x
  3. Step 3: Cross multiply
    1,488,810.30x = 2,233,215.45 × 858,954.30
  4. Step 4: Simplify right side
    1,488,810.30x = 1,918,230,013,603.94
  5. Step 5: Solve for x
    x = 1,918,230,013,603.94/1,488,810.30
  6. Step 6: Final answer
    x = 1,288,431.45

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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.