Home / 1,246,567.75-1,869,851.40-299,938.47

Finding the Fourth Proportional to 1,246,567.75, 1,869,851.40 and 299,938.47

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Solution

The fourth proportional to 1,246,567.75, 1,869,851.40 and 299,938.47 is: 449,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,567.75 : 1,869,851.40 = 299,938.47 : x
  2. Step 2: Convert to fraction form
    1,246,567.75/1,869,851.40 = 299,938.47/x
  3. Step 3: Cross multiply
    1,246,567.75x = 1,869,851.40 × 299,938.47
  4. Step 4: Simplify right side
    1,246,567.75x = 560,840,365,587.38
  5. Step 5: Solve for x
    x = 560,840,365,587.38/1,246,567.75
  6. Step 6: Final answer
    x = 449,907.65

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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.