Home / 1,438,281.56-1,984,868.88-793,742.48

Finding the Fourth Proportional to 1,438,281.56, 1,984,868.88 and 793,742.48

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Solution

The fourth proportional to 1,438,281.56, 1,984,868.88 and 793,742.48 is: 1,095,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,281.56 : 1,984,868.88 = 793,742.48 : x
  2. Step 2: Convert to fraction form
    1,438,281.56/1,984,868.88 = 793,742.48/x
  3. Step 3: Cross multiply
    1,438,281.56x = 1,984,868.88 × 793,742.48
  4. Step 4: Simplify right side
    1,438,281.56x = 1,575,474,747,286.02
  5. Step 5: Solve for x
    x = 1,575,474,747,286.02/1,438,281.56
  6. Step 6: Final answer
    x = 1,095,386.88

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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.