Home / 1,538,603.20-2,308,155.60-473,645.44

Finding the Fourth Proportional to 1,538,603.20, 2,308,155.60 and 473,645.44

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Solution

The fourth proportional to 1,538,603.20, 2,308,155.60 and 473,645.44 is: 710,545.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,603.20 : 2,308,155.60 = 473,645.44 : x
  2. Step 2: Convert to fraction form
    1,538,603.20/2,308,155.60 = 473,645.44/x
  3. Step 3: Cross multiply
    1,538,603.20x = 2,308,155.60 × 473,645.44
  4. Step 4: Simplify right side
    1,538,603.20x = 1,093,247,374,750.46
  5. Step 5: Solve for x
    x = 1,093,247,374,750.46/1,538,603.20
  6. Step 6: Final answer
    x = 710,545.37

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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.