Home / 909,543.42-1,365,261.39-669,927.87

Finding the Fourth Proportional to 909,543.42, 1,365,261.39 and 669,927.87

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Solution

The fourth proportional to 909,543.42, 1,365,261.39 and 669,927.87 is: 1,005,588.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,543.42 : 1,365,261.39 = 669,927.87 : x
  2. Step 2: Convert to fraction form
    909,543.42/1,365,261.39 = 669,927.87/x
  3. Step 3: Cross multiply
    909,543.42x = 1,365,261.39 × 669,927.87
  4. Step 4: Simplify right side
    909,543.42x = 914,626,654,995.94
  5. Step 5: Solve for x
    x = 914,626,654,995.94/909,543.42
  6. Step 6: Final answer
    x = 1,005,588.78

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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.