Home / 1,275,948.38-1,760,807.81-702,988.55

Finding the Fourth Proportional to 1,275,948.38, 1,760,807.81 and 702,988.55

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Solution

The fourth proportional to 1,275,948.38, 1,760,807.81 and 702,988.55 is: 970,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,948.38 : 1,760,807.81 = 702,988.55 : x
  2. Step 2: Convert to fraction form
    1,275,948.38/1,760,807.81 = 702,988.55/x
  3. Step 3: Cross multiply
    1,275,948.38x = 1,760,807.81 × 702,988.55
  4. Step 4: Simplify right side
    1,275,948.38x = 1,237,827,725,665.63
  5. Step 5: Solve for x
    x = 1,237,827,725,665.63/1,275,948.38
  6. Step 6: Final answer
    x = 970,123.67

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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.