Home / 1,313,322.60-1,812,381.30-709,710.60

Finding the Fourth Proportional to 1,313,322.60, 1,812,381.30 and 709,710.60

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Solution

The fourth proportional to 1,313,322.60, 1,812,381.30 and 709,710.60 is: 979,398.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,322.60 : 1,812,381.30 = 709,710.60 : x
  2. Step 2: Convert to fraction form
    1,313,322.60/1,812,381.30 = 709,710.60/x
  3. Step 3: Cross multiply
    1,313,322.60x = 1,812,381.30 × 709,710.60
  4. Step 4: Simplify right side
    1,313,322.60x = 1,286,266,219,851.78
  5. Step 5: Solve for x
    x = 1,286,266,219,851.78/1,313,322.60
  6. Step 6: Final answer
    x = 979,398.53

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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.