Home / 1,428,332.58-2,143,336.77-530,397.77

Finding the Fourth Proportional to 1,428,332.58, 2,143,336.77 and 530,397.77

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Solution

The fourth proportional to 1,428,332.58, 2,143,336.77 and 530,397.77 is: 795,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,332.58 : 2,143,336.77 = 530,397.77 : x
  2. Step 2: Convert to fraction form
    1,428,332.58/2,143,336.77 = 530,397.77/x
  3. Step 3: Cross multiply
    1,428,332.58x = 2,143,336.77 × 530,397.77
  4. Step 4: Simplify right side
    1,428,332.58x = 1,136,821,032,450.32
  5. Step 5: Solve for x
    x = 1,136,821,032,450.32/1,428,332.58
  6. Step 6: Final answer
    x = 795,907.79

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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.