Home / 1,214,488.80-1,821,733.20-372,931.20

Finding the Fourth Proportional to 1,214,488.80, 1,821,733.20 and 372,931.20

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Solution

The fourth proportional to 1,214,488.80, 1,821,733.20 and 372,931.20 is: 559,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,488.80 : 1,821,733.20 = 372,931.20 : x
  2. Step 2: Convert to fraction form
    1,214,488.80/1,821,733.20 = 372,931.20/x
  3. Step 3: Cross multiply
    1,214,488.80x = 1,821,733.20 × 372,931.20
  4. Step 4: Simplify right side
    1,214,488.80x = 679,381,148,355.84
  5. Step 5: Solve for x
    x = 679,381,148,355.84/1,214,488.80
  6. Step 6: Final answer
    x = 559,396.80

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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.