Home / 1,243,019.28-1,715,357.04-706,475.28

Finding the Fourth Proportional to 1,243,019.28, 1,715,357.04 and 706,475.28

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Solution

The fourth proportional to 1,243,019.28, 1,715,357.04 and 706,475.28 is: 974,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,019.28 : 1,715,357.04 = 706,475.28 : x
  2. Step 2: Convert to fraction form
    1,243,019.28/1,715,357.04 = 706,475.28/x
  3. Step 3: Cross multiply
    1,243,019.28x = 1,715,357.04 × 706,475.28
  4. Step 4: Simplify right side
    1,243,019.28x = 1,211,857,345,133.97
  5. Step 5: Solve for x
    x = 1,211,857,345,133.97/1,243,019.28
  6. Step 6: Final answer
    x = 974,930.45

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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.