Home / 1,438,272.45-2,157,671.52-1,116,521.01

Finding the Fourth Proportional to 1,438,272.45, 2,157,671.52 and 1,116,521.01

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Solution

The fourth proportional to 1,438,272.45, 2,157,671.52 and 1,116,521.01 is: 1,674,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,272.45 : 2,157,671.52 = 1,116,521.01 : x
  2. Step 2: Convert to fraction form
    1,438,272.45/2,157,671.52 = 1,116,521.01/x
  3. Step 3: Cross multiply
    1,438,272.45x = 2,157,671.52 × 1,116,521.01
  4. Step 4: Simplify right side
    1,438,272.45x = 2,409,085,584,758.64
  5. Step 5: Solve for x
    x = 2,409,085,584,758.64/1,438,272.45
  6. Step 6: Final answer
    x = 1,674,985.56

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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.