Home / 1,152,150.48-1,729,107.81-521,507.16

Finding the Fourth Proportional to 1,152,150.48, 1,729,107.81 and 521,507.16

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Solution

The fourth proportional to 1,152,150.48, 1,729,107.81 and 521,507.16 is: 782,660.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,150.48 : 1,729,107.81 = 521,507.16 : x
  2. Step 2: Convert to fraction form
    1,152,150.48/1,729,107.81 = 521,507.16/x
  3. Step 3: Cross multiply
    1,152,150.48x = 1,729,107.81 × 521,507.16
  4. Step 4: Simplify right side
    1,152,150.48x = 901,742,103,326.92
  5. Step 5: Solve for x
    x = 901,742,103,326.92/1,152,150.48
  6. Step 6: Final answer
    x = 782,660.01

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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.