Home / 909,540.90-1,365,257.63-669,925.36

Finding the Fourth Proportional to 909,540.90, 1,365,257.63 and 669,925.36

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Solution

The fourth proportional to 909,540.90, 1,365,257.63 and 669,925.36 is: 1,005,585.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,540.90 : 1,365,257.63 = 669,925.36 : x
  2. Step 2: Convert to fraction form
    909,540.90/1,365,257.63 = 669,925.36/x
  3. Step 3: Cross multiply
    909,540.90x = 1,365,257.63 × 669,925.36
  4. Step 4: Simplify right side
    909,540.90x = 914,620,709,270.50
  5. Step 5: Solve for x
    x = 914,620,709,270.50/909,540.90
  6. Step 6: Final answer
    x = 1,005,585.03

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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.