Home / 1,066,756.93-1,472,003.64-631,187.65

Finding the Fourth Proportional to 1,066,756.93, 1,472,003.64 and 631,187.65

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Solution

The fourth proportional to 1,066,756.93, 1,472,003.64 and 631,187.65 is: 870,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,756.93 : 1,472,003.64 = 631,187.65 : x
  2. Step 2: Convert to fraction form
    1,066,756.93/1,472,003.64 = 631,187.65/x
  3. Step 3: Cross multiply
    1,066,756.93x = 1,472,003.64 × 631,187.65
  4. Step 4: Simplify right side
    1,066,756.93x = 929,110,518,323.05
  5. Step 5: Solve for x
    x = 929,110,518,323.05/1,066,756.93
  6. Step 6: Final answer
    x = 870,967.41

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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.