Home / 1,341,362.40-2,012,055.76-381,817.63

Finding the Fourth Proportional to 1,341,362.40, 2,012,055.76 and 381,817.63

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Solution

The fourth proportional to 1,341,362.40, 2,012,055.76 and 381,817.63 is: 572,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,362.40 : 2,012,055.76 = 381,817.63 : x
  2. Step 2: Convert to fraction form
    1,341,362.40/2,012,055.76 = 381,817.63/x
  3. Step 3: Cross multiply
    1,341,362.40x = 2,012,055.76 × 381,817.63
  4. Step 4: Simplify right side
    1,341,362.40x = 768,238,355,726.37
  5. Step 5: Solve for x
    x = 768,238,355,726.37/1,341,362.40
  6. Step 6: Final answer
    x = 572,729.90

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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.