Home / 1,140,584.68-1,574,179.14-657,221.32

Finding the Fourth Proportional to 1,140,584.68, 1,574,179.14 and 657,221.32

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Solution

The fourth proportional to 1,140,584.68, 1,574,179.14 and 657,221.32 is: 907,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,584.68 : 1,574,179.14 = 657,221.32 : x
  2. Step 2: Convert to fraction form
    1,140,584.68/1,574,179.14 = 657,221.32/x
  3. Step 3: Cross multiply
    1,140,584.68x = 1,574,179.14 × 657,221.32
  4. Step 4: Simplify right side
    1,140,584.68x = 1,034,584,092,307.26
  5. Step 5: Solve for x
    x = 1,034,584,092,307.26/1,140,584.68
  6. Step 6: Final answer
    x = 907,064.69

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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.