Home / 1,438,938.90-1,985,742.02-794,364.38

Finding the Fourth Proportional to 1,438,938.90, 1,985,742.02 and 794,364.38

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Solution

The fourth proportional to 1,438,938.90, 1,985,742.02 and 794,364.38 is: 1,096,226.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,938.90 : 1,985,742.02 = 794,364.38 : x
  2. Step 2: Convert to fraction form
    1,438,938.90/1,985,742.02 = 794,364.38/x
  3. Step 3: Cross multiply
    1,438,938.90x = 1,985,742.02 × 794,364.38
  4. Step 4: Simplify right side
    1,438,938.90x = 1,577,402,728,557.25
  5. Step 5: Solve for x
    x = 1,577,402,728,557.25/1,438,938.90
  6. Step 6: Final answer
    x = 1,096,226.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.