Home / 1,188,167.72-1,782,221.98-346,726.76

Finding the Fourth Proportional to 1,188,167.72, 1,782,221.98 and 346,726.76

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Solution

The fourth proportional to 1,188,167.72, 1,782,221.98 and 346,726.76 is: 520,081.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,167.72 : 1,782,221.98 = 346,726.76 : x
  2. Step 2: Convert to fraction form
    1,188,167.72/1,782,221.98 = 346,726.76/x
  3. Step 3: Cross multiply
    1,188,167.72x = 1,782,221.98 × 346,726.76
  4. Step 4: Simplify right side
    1,188,167.72x = 617,944,052,726.19
  5. Step 5: Solve for x
    x = 617,944,052,726.19/1,188,167.72
  6. Step 6: Final answer
    x = 520,081.50

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1.5x scale

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.