Home / 1,313,693.87-1,812,898.67-732,917.09

Finding the Fourth Proportional to 1,313,693.87, 1,812,898.67 and 732,917.09

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Solution

The fourth proportional to 1,313,693.87, 1,812,898.67 and 732,917.09 is: 1,011,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,693.87 : 1,812,898.67 = 732,917.09 : x
  2. Step 2: Convert to fraction form
    1,313,693.87/1,812,898.67 = 732,917.09/x
  3. Step 3: Cross multiply
    1,313,693.87x = 1,812,898.67 × 732,917.09
  4. Step 4: Simplify right side
    1,313,693.87x = 1,328,704,417,681.27
  5. Step 5: Solve for x
    x = 1,328,704,417,681.27/1,313,693.87
  6. Step 6: Final answer
    x = 1,011,426.21

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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.