Home / 1,540,810.62-2,311,708.05-742,172.94

Finding the Fourth Proportional to 1,540,810.62, 2,311,708.05 and 742,172.94

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Solution

The fourth proportional to 1,540,810.62, 2,311,708.05 and 742,172.94 is: 1,113,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,810.62 : 2,311,708.05 = 742,172.94 : x
  2. Step 2: Convert to fraction form
    1,540,810.62/2,311,708.05 = 742,172.94/x
  3. Step 3: Cross multiply
    1,540,810.62x = 2,311,708.05 × 742,172.94
  4. Step 4: Simplify right side
    1,540,810.62x = 1,715,687,159,890.17
  5. Step 5: Solve for x
    x = 1,715,687,159,890.17/1,540,810.62
  6. Step 6: Final answer
    x = 1,113,496.45

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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.