Home / 1,139,735.70-1,709,603.55-474,801.30

Finding the Fourth Proportional to 1,139,735.70, 1,709,603.55 and 474,801.30

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Solution

The fourth proportional to 1,139,735.70, 1,709,603.55 and 474,801.30 is: 712,201.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,735.70 : 1,709,603.55 = 474,801.30 : x
  2. Step 2: Convert to fraction form
    1,139,735.70/1,709,603.55 = 474,801.30/x
  3. Step 3: Cross multiply
    1,139,735.70x = 1,709,603.55 × 474,801.30
  4. Step 4: Simplify right side
    1,139,735.70x = 811,721,988,024.62
  5. Step 5: Solve for x
    x = 811,721,988,024.62/1,139,735.70
  6. Step 6: Final answer
    x = 712,201.95

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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.