Home / 1,147,242.96-1,720,887.12-417,740.76

Finding the Fourth Proportional to 1,147,242.96, 1,720,887.12 and 417,740.76

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Solution

The fourth proportional to 1,147,242.96, 1,720,887.12 and 417,740.76 is: 626,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,242.96 : 1,720,887.12 = 417,740.76 : x
  2. Step 2: Convert to fraction form
    1,147,242.96/1,720,887.12 = 417,740.76/x
  3. Step 3: Cross multiply
    1,147,242.96x = 1,720,887.12 × 417,740.76
  4. Step 4: Simplify right side
    1,147,242.96x = 718,884,693,383.01
  5. Step 5: Solve for x
    x = 718,884,693,383.01/1,147,242.96
  6. Step 6: Final answer
    x = 626,619.40

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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.