Home / 1,313,599.48-1,812,770.38-709,987.48

Finding the Fourth Proportional to 1,313,599.48, 1,812,770.38 and 709,987.48

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Solution

The fourth proportional to 1,313,599.48, 1,812,770.38 and 709,987.48 is: 979,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,599.48 : 1,812,770.38 = 709,987.48 : x
  2. Step 2: Convert to fraction form
    1,313,599.48/1,812,770.38 = 709,987.48/x
  3. Step 3: Cross multiply
    1,313,599.48x = 1,812,770.38 × 709,987.48
  4. Step 4: Simplify right side
    1,313,599.48x = 1,287,044,273,914.84
  5. Step 5: Solve for x
    x = 1,287,044,273,914.84/1,313,599.48
  6. Step 6: Final answer
    x = 979,784.40

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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.