Home / 1,112,036.70-1,668,055.05-663,264.30

Finding the Fourth Proportional to 1,112,036.70, 1,668,055.05 and 663,264.30

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Solution

The fourth proportional to 1,112,036.70, 1,668,055.05 and 663,264.30 is: 994,896.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,036.70 : 1,668,055.05 = 663,264.30 : x
  2. Step 2: Convert to fraction form
    1,112,036.70/1,668,055.05 = 663,264.30/x
  3. Step 3: Cross multiply
    1,112,036.70x = 1,668,055.05 × 663,264.30
  4. Step 4: Simplify right side
    1,112,036.70x = 1,106,361,365,099.72
  5. Step 5: Solve for x
    x = 1,106,361,365,099.72/1,112,036.70
  6. Step 6: Final answer
    x = 994,896.45

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Double scale
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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.