Home / 1,012,142.66-1,396,756.81-553,259.14

Finding the Fourth Proportional to 1,012,142.66, 1,396,756.81 and 553,259.14

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Solution

The fourth proportional to 1,012,142.66, 1,396,756.81 and 553,259.14 is: 763,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,142.66 : 1,396,756.81 = 553,259.14 : x
  2. Step 2: Convert to fraction form
    1,012,142.66/1,396,756.81 = 553,259.14/x
  3. Step 3: Cross multiply
    1,012,142.66x = 1,396,756.81 × 553,259.14
  4. Step 4: Simplify right side
    1,012,142.66x = 772,768,477,144.06
  5. Step 5: Solve for x
    x = 772,768,477,144.06/1,012,142.66
  6. Step 6: Final answer
    x = 763,497.59

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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.