Home / 1,447,938.28-2,173,101.90-728,483.32

Finding the Fourth Proportional to 1,447,938.28, 2,173,101.90 and 728,483.32

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Solution

The fourth proportional to 1,447,938.28, 2,173,101.90 and 728,483.32 is: 1,093,325.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,938.28 : 2,173,101.90 = 728,483.32 : x
  2. Step 2: Convert to fraction form
    1,447,938.28/2,173,101.90 = 728,483.32/x
  3. Step 3: Cross multiply
    1,447,938.28x = 2,173,101.90 × 728,483.32
  4. Step 4: Simplify right side
    1,447,938.28x = 1,583,068,486,810.31
  5. Step 5: Solve for x
    x = 1,583,068,486,810.31/1,447,938.28
  6. Step 6: Final answer
    x = 1,093,325.94

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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.