Home / 1,580,361.02-2,180,881.59-855,192.86

Finding the Fourth Proportional to 1,580,361.02, 2,180,881.59 and 855,192.86

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Solution

The fourth proportional to 1,580,361.02, 2,180,881.59 and 855,192.86 is: 1,180,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,361.02 : 2,180,881.59 = 855,192.86 : x
  2. Step 2: Convert to fraction form
    1,580,361.02/2,180,881.59 = 855,192.86/x
  3. Step 3: Cross multiply
    1,580,361.02x = 2,180,881.59 × 855,192.86
  4. Step 4: Simplify right side
    1,580,361.02x = 1,865,074,364,273.45
  5. Step 5: Solve for x
    x = 1,865,074,364,273.45/1,580,361.02
  6. Step 6: Final answer
    x = 1,180,157.15

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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.