Home / 742,073.70-1,113,110.55-667,278.30

Finding the Fourth Proportional to 742,073.70, 1,113,110.55 and 667,278.30

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Solution

The fourth proportional to 742,073.70, 1,113,110.55 and 667,278.30 is: 1,000,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,073.70 : 1,113,110.55 = 667,278.30 : x
  2. Step 2: Convert to fraction form
    742,073.70/1,113,110.55 = 667,278.30/x
  3. Step 3: Cross multiply
    742,073.70x = 1,113,110.55 × 667,278.30
  4. Step 4: Simplify right side
    742,073.70x = 742,754,515,516.07
  5. Step 5: Solve for x
    x = 742,754,515,516.07/742,073.70
  6. Step 6: Final answer
    x = 1,000,917.45

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1.5x scale

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.