Home / 1,017,139.22-1,403,669.94-558,296.72

Finding the Fourth Proportional to 1,017,139.22, 1,403,669.94 and 558,296.72

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Solution

The fourth proportional to 1,017,139.22, 1,403,669.94 and 558,296.72 is: 770,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,139.22 : 1,403,669.94 = 558,296.72 : x
  2. Step 2: Convert to fraction form
    1,017,139.22/1,403,669.94 = 558,296.72/x
  3. Step 3: Cross multiply
    1,017,139.22x = 1,403,669.94 × 558,296.72
  4. Step 4: Simplify right side
    1,017,139.22x = 783,664,323,464.60
  5. Step 5: Solve for x
    x = 783,664,323,464.60/1,017,139.22
  6. Step 6: Final answer
    x = 770,459.25

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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.