Home / 909,543.94-1,365,262.18-669,928.40

Finding the Fourth Proportional to 909,543.94, 1,365,262.18 and 669,928.40

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Solution

The fourth proportional to 909,543.94, 1,365,262.18 and 669,928.40 is: 1,005,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,543.94 : 1,365,262.18 = 669,928.40 : x
  2. Step 2: Convert to fraction form
    909,543.94/1,365,262.18 = 669,928.40/x
  3. Step 3: Cross multiply
    909,543.94x = 1,365,262.18 × 669,928.40
  4. Step 4: Simplify right side
    909,543.94x = 914,627,907,827.91
  5. Step 5: Solve for x
    x = 914,627,907,827.91/909,543.94
  6. Step 6: Final answer
    x = 1,005,589.58

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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.