Home / 1,616,430.80-2,424,937.80-815,697.20

Finding the Fourth Proportional to 1,616,430.80, 2,424,937.80 and 815,697.20

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Solution

The fourth proportional to 1,616,430.80, 2,424,937.80 and 815,697.20 is: 1,223,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,430.80 : 2,424,937.80 = 815,697.20 : x
  2. Step 2: Convert to fraction form
    1,616,430.80/2,424,937.80 = 815,697.20/x
  3. Step 3: Cross multiply
    1,616,430.80x = 2,424,937.80 × 815,697.20
  4. Step 4: Simplify right side
    1,616,430.80x = 1,978,014,973,634.16
  5. Step 5: Solve for x
    x = 1,978,014,973,634.16/1,616,430.80
  6. Step 6: Final answer
    x = 1,223,692.95

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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.