Home / 1,012,147.23-1,396,763.03-553,263.65

Finding the Fourth Proportional to 1,012,147.23, 1,396,763.03 and 553,263.65

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Solution

The fourth proportional to 1,012,147.23, 1,396,763.03 and 553,263.65 is: 763,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,147.23 : 1,396,763.03 = 553,263.65 : x
  2. Step 2: Convert to fraction form
    1,012,147.23/1,396,763.03 = 553,263.65/x
  3. Step 3: Cross multiply
    1,012,147.23x = 1,396,763.03 × 553,263.65
  4. Step 4: Simplify right side
    1,012,147.23x = 772,778,202,412.73
  5. Step 5: Solve for x
    x = 772,778,202,412.73/1,012,147.23
  6. Step 6: Final answer
    x = 763,503.75

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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.