Home / 1,112,022.81-1,668,290.76-472,347.18

Finding the Fourth Proportional to 1,112,022.81, 1,668,290.76 and 472,347.18

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Solution

The fourth proportional to 1,112,022.81, 1,668,290.76 and 472,347.18 is: 708,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,022.81 : 1,668,290.76 = 472,347.18 : x
  2. Step 2: Convert to fraction form
    1,112,022.81/1,668,290.76 = 472,347.18/x
  3. Step 3: Cross multiply
    1,112,022.81x = 1,668,290.76 × 472,347.18
  4. Step 4: Simplify right side
    1,112,022.81x = 788,012,435,906.06
  5. Step 5: Solve for x
    x = 788,012,435,906.06/1,112,022.81
  6. Step 6: Final answer
    x = 708,629.74

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Double scale
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1.5x scale

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.