Home / 990,003.60-1,366,206.48-537,295.68

Finding the Fourth Proportional to 990,003.60, 1,366,206.48 and 537,295.68

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Solution

The fourth proportional to 990,003.60, 1,366,206.48 and 537,295.68 is: 741,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,003.60 : 1,366,206.48 = 537,295.68 : x
  2. Step 2: Convert to fraction form
    990,003.60/1,366,206.48 = 537,295.68/x
  3. Step 3: Cross multiply
    990,003.60x = 1,366,206.48 × 537,295.68
  4. Step 4: Simplify right side
    990,003.60x = 734,056,839,692.01
  5. Step 5: Solve for x
    x = 734,056,839,692.01/990,003.60
  6. Step 6: Final answer
    x = 741,468.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.