Home / 1,102,804.32-1,522,448.08-742,124.64

Finding the Fourth Proportional to 1,102,804.32, 1,522,448.08 and 742,124.64

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Solution

The fourth proportional to 1,102,804.32, 1,522,448.08 and 742,124.64 is: 1,024,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,804.32 : 1,522,448.08 = 742,124.64 : x
  2. Step 2: Convert to fraction form
    1,102,804.32/1,522,448.08 = 742,124.64/x
  3. Step 3: Cross multiply
    1,102,804.32x = 1,522,448.08 × 742,124.64
  4. Step 4: Simplify right side
    1,102,804.32x = 1,129,846,233,288.69
  5. Step 5: Solve for x
    x = 1,129,846,233,288.69/1,102,804.32
  6. Step 6: Final answer
    x = 1,024,521.04

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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.