Home / 1,112,420.42-1,668,879-472,744.46

Finding the Fourth Proportional to 1,112,420.42, 1,668,879 and 472,744.46

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Solution

The fourth proportional to 1,112,420.42, 1,668,879 and 472,744.46 is: 709,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,420.42 : 1,668,879 = 472,744.46 : x
  2. Step 2: Convert to fraction form
    1,112,420.42/1,668,879 = 472,744.46/x
  3. Step 3: Cross multiply
    1,112,420.42x = 1,668,879 × 472,744.46
  4. Step 4: Simplify right side
    1,112,420.42x = 788,953,301,660.34
  5. Step 5: Solve for x
    x = 788,953,301,660.34/1,112,420.42
  6. Step 6: Final answer
    x = 709,222.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.