Home / 1,326,645.70-1,989,968.55-367,099.45

Finding the Fourth Proportional to 1,326,645.70, 1,989,968.55 and 367,099.45

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Solution

The fourth proportional to 1,326,645.70, 1,989,968.55 and 367,099.45 is: 550,649.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,645.70 : 1,989,968.55 = 367,099.45 : x
  2. Step 2: Convert to fraction form
    1,326,645.70/1,989,968.55 = 367,099.45/x
  3. Step 3: Cross multiply
    1,326,645.70x = 1,989,968.55 × 367,099.45
  4. Step 4: Simplify right side
    1,326,645.70x = 730,516,360,222.30
  5. Step 5: Solve for x
    x = 730,516,360,222.30/1,326,645.70
  6. Step 6: Final answer
    x = 550,649.18

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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.