Home / 909,559.42-1,365,285.36-669,943.84

Finding the Fourth Proportional to 909,559.42, 1,365,285.36 and 669,943.84

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Solution

The fourth proportional to 909,559.42, 1,365,285.36 and 669,943.84 is: 1,005,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,559.42 : 1,365,285.36 = 669,943.84 : x
  2. Step 2: Convert to fraction form
    909,559.42/1,365,285.36 = 669,943.84/x
  3. Step 3: Cross multiply
    909,559.42x = 1,365,285.36 × 669,943.84
  4. Step 4: Simplify right side
    909,559.42x = 914,664,516,774.18
  5. Step 5: Solve for x
    x = 914,664,516,774.18/909,559.42
  6. Step 6: Final answer
    x = 1,005,612.71

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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.