Home / 1,140,536.39-1,574,290.77-657,424.45

Finding the Fourth Proportional to 1,140,536.39, 1,574,290.77 and 657,424.45

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Solution

The fourth proportional to 1,140,536.39, 1,574,290.77 and 657,424.45 is: 907,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,536.39 : 1,574,290.77 = 657,424.45 : x
  2. Step 2: Convert to fraction form
    1,140,536.39/1,574,290.77 = 657,424.45/x
  3. Step 3: Cross multiply
    1,140,536.39x = 1,574,290.77 × 657,424.45
  4. Step 4: Simplify right side
    1,140,536.39x = 1,034,977,235,735.87
  5. Step 5: Solve for x
    x = 1,034,977,235,735.87/1,140,536.39
  6. Step 6: Final answer
    x = 907,447.80

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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.