Home / 1,580,390.90-2,180,944.93-855,238.42

Finding the Fourth Proportional to 1,580,390.90, 2,180,944.93 and 855,238.42

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Solution

The fourth proportional to 1,580,390.90, 2,180,944.93 and 855,238.42 is: 1,180,232.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,390.90 : 2,180,944.93 = 855,238.42 : x
  2. Step 2: Convert to fraction form
    1,580,390.90/2,180,944.93 = 855,238.42/x
  3. Step 3: Cross multiply
    1,580,390.90x = 2,180,944.93 × 855,238.42
  4. Step 4: Simplify right side
    1,580,390.90x = 1,865,227,907,973.86
  5. Step 5: Solve for x
    x = 1,865,227,907,973.86/1,580,390.90
  6. Step 6: Final answer
    x = 1,180,232.00

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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.