Home / 1,249,847.40-1,724,769-676,882.56

Finding the Fourth Proportional to 1,249,847.40, 1,724,769 and 676,882.56

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Solution

The fourth proportional to 1,249,847.40, 1,724,769 and 676,882.56 is: 934,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,847.40 : 1,724,769 = 676,882.56 : x
  2. Step 2: Convert to fraction form
    1,249,847.40/1,724,769 = 676,882.56/x
  3. Step 3: Cross multiply
    1,249,847.40x = 1,724,769 × 676,882.56
  4. Step 4: Simplify right side
    1,249,847.40x = 1,167,466,056,128.64
  5. Step 5: Solve for x
    x = 1,167,466,056,128.64/1,249,847.40
  6. Step 6: Final answer
    x = 934,086.88

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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.