Home / 990,004.35-1,366,206.57-537,295.35

Finding the Fourth Proportional to 990,004.35, 1,366,206.57 and 537,295.35

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Solution

The fourth proportional to 990,004.35, 1,366,206.57 and 537,295.35 is: 741,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,004.35 : 1,366,206.57 = 537,295.35 : x
  2. Step 2: Convert to fraction form
    990,004.35/1,366,206.57 = 537,295.35/x
  3. Step 3: Cross multiply
    990,004.35x = 1,366,206.57 × 537,295.35
  4. Step 4: Simplify right side
    990,004.35x = 734,056,439,992.41
  5. Step 5: Solve for x
    x = 734,056,439,992.41/990,004.35
  6. Step 6: Final answer
    x = 741,467.89

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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.