Home / 1,114,574.20-1,538,112.24-631,139.20

Finding the Fourth Proportional to 1,114,574.20, 1,538,112.24 and 631,139.20

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Solution

The fourth proportional to 1,114,574.20, 1,538,112.24 and 631,139.20 is: 870,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,574.20 : 1,538,112.24 = 631,139.20 : x
  2. Step 2: Convert to fraction form
    1,114,574.20/1,538,112.24 = 631,139.20/x
  3. Step 3: Cross multiply
    1,114,574.20x = 1,538,112.24 × 631,139.20
  4. Step 4: Simplify right side
    1,114,574.20x = 970,762,928,663.81
  5. Step 5: Solve for x
    x = 970,762,928,663.81/1,114,574.20
  6. Step 6: Final answer
    x = 870,972.01

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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.