Home / 1,123,631.76-1,685,615.88-413,605.68

Finding the Fourth Proportional to 1,123,631.76, 1,685,615.88 and 413,605.68

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Solution

The fourth proportional to 1,123,631.76, 1,685,615.88 and 413,605.68 is: 620,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,631.76 : 1,685,615.88 = 413,605.68 : x
  2. Step 2: Convert to fraction form
    1,123,631.76/1,685,615.88 = 413,605.68/x
  3. Step 3: Cross multiply
    1,123,631.76x = 1,685,615.88 × 413,605.68
  4. Step 4: Simplify right side
    1,123,631.76x = 697,180,302,266.20
  5. Step 5: Solve for x
    x = 697,180,302,266.20/1,123,631.76
  6. Step 6: Final answer
    x = 620,470.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.