Home / 990,111.44-1,366,317.24-537,392.72

Finding the Fourth Proportional to 990,111.44, 1,366,317.24 and 537,392.72

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Solution

The fourth proportional to 990,111.44, 1,366,317.24 and 537,392.72 is: 741,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,111.44 : 1,366,317.24 = 537,392.72 : x
  2. Step 2: Convert to fraction form
    990,111.44/1,366,317.24 = 537,392.72/x
  3. Step 3: Cross multiply
    990,111.44x = 1,366,317.24 × 537,392.72
  4. Step 4: Simplify right side
    990,111.44x = 734,248,937,986.49
  5. Step 5: Solve for x
    x = 734,248,937,986.49/990,111.44
  6. Step 6: Final answer
    x = 741,582.12

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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.