Home / 1,355,087.20-2,031,334.80-501,930.40

Finding the Fourth Proportional to 1,355,087.20, 2,031,334.80 and 501,930.40

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Solution

The fourth proportional to 1,355,087.20, 2,031,334.80 and 501,930.40 is: 752,415.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,087.20 : 2,031,334.80 = 501,930.40 : x
  2. Step 2: Convert to fraction form
    1,355,087.20/2,031,334.80 = 501,930.40/x
  3. Step 3: Cross multiply
    1,355,087.20x = 2,031,334.80 × 501,930.40
  4. Step 4: Simplify right side
    1,355,087.20x = 1,019,588,688,697.92
  5. Step 5: Solve for x
    x = 1,019,588,688,697.92/1,355,087.20
  6. Step 6: Final answer
    x = 752,415.56

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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.