Home / 1,146,828.32-1,720,449.92-472,534.48

Finding the Fourth Proportional to 1,146,828.32, 1,720,449.92 and 472,534.48

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Solution

The fourth proportional to 1,146,828.32, 1,720,449.92 and 472,534.48 is: 708,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,828.32 : 1,720,449.92 = 472,534.48 : x
  2. Step 2: Convert to fraction form
    1,146,828.32/1,720,449.92 = 472,534.48/x
  3. Step 3: Cross multiply
    1,146,828.32x = 1,720,449.92 × 472,534.48
  4. Step 4: Simplify right side
    1,146,828.32x = 812,971,908,313.24
  5. Step 5: Solve for x
    x = 812,971,908,313.24/1,146,828.32
  6. Step 6: Final answer
    x = 708,887.19

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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.