Home / 1,010,355.76-1,394,191.68-557,617.60

Finding the Fourth Proportional to 1,010,355.76, 1,394,191.68 and 557,617.60

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Solution

The fourth proportional to 1,010,355.76, 1,394,191.68 and 557,617.60 is: 769,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,355.76 : 1,394,191.68 = 557,617.60 : x
  2. Step 2: Convert to fraction form
    1,010,355.76/1,394,191.68 = 557,617.60/x
  3. Step 3: Cross multiply
    1,010,355.76x = 1,394,191.68 × 557,617.60
  4. Step 4: Simplify right side
    1,010,355.76x = 777,425,818,541.57
  5. Step 5: Solve for x
    x = 777,425,818,541.57/1,010,355.76
  6. Step 6: Final answer
    x = 769,457.50

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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.