Home / 1,138,159.15-1,570,986.90-751,256.98

Finding the Fourth Proportional to 1,138,159.15, 1,570,986.90 and 751,256.98

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Solution

The fourth proportional to 1,138,159.15, 1,570,986.90 and 751,256.98 is: 1,036,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,159.15 : 1,570,986.90 = 751,256.98 : x
  2. Step 2: Convert to fraction form
    1,138,159.15/1,570,986.90 = 751,256.98/x
  3. Step 3: Cross multiply
    1,138,159.15x = 1,570,986.90 × 751,256.98
  4. Step 4: Simplify right side
    1,138,159.15x = 1,180,214,870,186.09
  5. Step 5: Solve for x
    x = 1,180,214,870,186.09/1,138,159.15
  6. Step 6: Final answer
    x = 1,036,950.65

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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.