Home / 1,149,875.40-1,575,334.94-1,106,778.50

Finding the Fourth Proportional to 1,149,875.40, 1,575,334.94 and 1,106,778.50

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Solution

The fourth proportional to 1,149,875.40, 1,575,334.94 and 1,106,778.50 is: 1,516,291.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,875.40 : 1,575,334.94 = 1,106,778.50 : x
  2. Step 2: Convert to fraction form
    1,149,875.40/1,575,334.94 = 1,106,778.50/x
  3. Step 3: Cross multiply
    1,149,875.40x = 1,575,334.94 × 1,106,778.50
  4. Step 4: Simplify right side
    1,149,875.40x = 1,743,546,828,480.22
  5. Step 5: Solve for x
    x = 1,743,546,828,480.22/1,149,875.40
  6. Step 6: Final answer
    x = 1,516,291.96

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.