Home / 1,420,162.80-2,129,466.60-577,762.80

Finding the Fourth Proportional to 1,420,162.80, 2,129,466.60 and 577,762.80

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Solution

The fourth proportional to 1,420,162.80, 2,129,466.60 and 577,762.80 is: 866,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,162.80 : 2,129,466.60 = 577,762.80 : x
  2. Step 2: Convert to fraction form
    1,420,162.80/2,129,466.60 = 577,762.80/x
  3. Step 3: Cross multiply
    1,420,162.80x = 2,129,466.60 × 577,762.80
  4. Step 4: Simplify right side
    1,420,162.80x = 1,230,326,585,322.48
  5. Step 5: Solve for x
    x = 1,230,326,585,322.48/1,420,162.80
  6. Step 6: Final answer
    x = 866,327.85

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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.