Home / 1,100,507.40-1,518,698.81-610,551.21

Finding the Fourth Proportional to 1,100,507.40, 1,518,698.81 and 610,551.21

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Solution

The fourth proportional to 1,100,507.40, 1,518,698.81 and 610,551.21 is: 842,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,507.40 : 1,518,698.81 = 610,551.21 : x
  2. Step 2: Convert to fraction form
    1,100,507.40/1,518,698.81 = 610,551.21/x
  3. Step 3: Cross multiply
    1,100,507.40x = 1,518,698.81 × 610,551.21
  4. Step 4: Simplify right side
    1,100,507.40x = 927,243,393,018.30
  5. Step 5: Solve for x
    x = 927,243,393,018.30/1,100,507.40
  6. Step 6: Final answer
    x = 842,559.89

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Double scale
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1.5x scale

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.