Home / 1,225,854.88-1,691,880.96-716,457.76

Finding the Fourth Proportional to 1,225,854.88, 1,691,880.96 and 716,457.76

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Solution

The fourth proportional to 1,225,854.88, 1,691,880.96 and 716,457.76 is: 988,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,854.88 : 1,691,880.96 = 716,457.76 : x
  2. Step 2: Convert to fraction form
    1,225,854.88/1,691,880.96 = 716,457.76/x
  3. Step 3: Cross multiply
    1,225,854.88x = 1,691,880.96 × 716,457.76
  4. Step 4: Simplify right side
    1,225,854.88x = 1,212,161,242,788.25
  5. Step 5: Solve for x
    x = 1,212,161,242,788.25/1,225,854.88
  6. Step 6: Final answer
    x = 988,829.32

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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.