Home / 1,490,124.60-2,232,890.55-1,109,258.55

Finding the Fourth Proportional to 1,490,124.60, 2,232,890.55 and 1,109,258.55

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Solution

The fourth proportional to 1,490,124.60, 2,232,890.55 and 1,109,258.55 is: 1,662,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,124.60 : 2,232,890.55 = 1,109,258.55 : x
  2. Step 2: Convert to fraction form
    1,490,124.60/2,232,890.55 = 1,109,258.55/x
  3. Step 3: Cross multiply
    1,490,124.60x = 2,232,890.55 × 1,109,258.55
  4. Step 4: Simplify right side
    1,490,124.60x = 2,476,852,933,801.70
  5. Step 5: Solve for x
    x = 2,476,852,933,801.70/1,490,124.60
  6. Step 6: Final answer
    x = 1,662,178.41

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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.