Home / 990,399.24-1,366,747.14-537,690.12

Finding the Fourth Proportional to 990,399.24, 1,366,747.14 and 537,690.12

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Solution

The fourth proportional to 990,399.24, 1,366,747.14 and 537,690.12 is: 742,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,399.24 : 1,366,747.14 = 537,690.12 : x
  2. Step 2: Convert to fraction form
    990,399.24/1,366,747.14 = 537,690.12/x
  3. Step 3: Cross multiply
    990,399.24x = 1,366,747.14 × 537,690.12
  4. Step 4: Simplify right side
    990,399.24x = 734,886,433,716.26
  5. Step 5: Solve for x
    x = 734,886,433,716.26/990,399.24
  6. Step 6: Final answer
    x = 742,010.30

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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.