Home / 1,018,155.21-1,403,902.74-650,148.45

Finding the Fourth Proportional to 1,018,155.21, 1,403,902.74 and 650,148.45

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Solution

The fourth proportional to 1,018,155.21, 1,403,902.74 and 650,148.45 is: 896,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,155.21 : 1,403,902.74 = 650,148.45 : x
  2. Step 2: Convert to fraction form
    1,018,155.21/1,403,902.74 = 650,148.45/x
  3. Step 3: Cross multiply
    1,018,155.21x = 1,403,902.74 × 650,148.45
  4. Step 4: Simplify right side
    1,018,155.21x = 912,745,190,361.75
  5. Step 5: Solve for x
    x = 912,745,190,361.75/1,018,155.21
  6. Step 6: Final answer
    x = 896,469.60

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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.