Home / 1,283,447.28-1,771,255.60-732,175.12

Finding the Fourth Proportional to 1,283,447.28, 1,771,255.60 and 732,175.12

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Solution

The fourth proportional to 1,283,447.28, 1,771,255.60 and 732,175.12 is: 1,010,457.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,447.28 : 1,771,255.60 = 732,175.12 : x
  2. Step 2: Convert to fraction form
    1,283,447.28/1,771,255.60 = 732,175.12/x
  3. Step 3: Cross multiply
    1,283,447.28x = 1,771,255.60 × 732,175.12
  4. Step 4: Simplify right side
    1,283,447.28x = 1,296,869,281,480.67
  5. Step 5: Solve for x
    x = 1,296,869,281,480.67/1,283,447.28
  6. Step 6: Final answer
    x = 1,010,457.77

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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.